diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000000..84d916e9a3f
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+# NOTE: please keep your version of sass up to date: sudo gem update
+.PHONY: watch css
+SASS_FILES=$(wildcard addons/*/static/src/css/*.sass openerp/addons/*/static/src/css/*.sass)
+CSS_FILES=$(patsubst %.sass,%.css,${SASS_FILES})
+css: ${CSS_FILES}
+%.css: %.sass
+	sass -t expanded --compass --unix-newlines --sourcemap=none $< $@
+watch:
+	sass -t expanded --compass --unix-newlines --sourcemap=none --watch .:.
diff --git a/addons/account_analytic_analysis/static/src/css/Makefile b/addons/account_analytic_analysis/static/src/css/Makefile
deleted file mode 100644
index 21462c06dcc..00000000000
--- a/addons/account_analytic_analysis/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-analytic.css: analytic.sass
-	sass -t expanded analytic.sass analytic.css
-
diff --git a/addons/board/static/src/css/Makefile b/addons/board/static/src/css/Makefile
deleted file mode 100644
index 0cb5ae70f4a..00000000000
--- a/addons/board/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-dashboard.css: dashboard.sass
-	sass --trace -t expanded dashboard.sass dashboard.css
-
diff --git a/addons/gamification/static/src/css/Makefile b/addons/gamification/static/src/css/Makefile
deleted file mode 100644
index 3a6a70cf59b..00000000000
--- a/addons/gamification/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-gamification.css: gamification.sass
-	sass --trace -t expanded gamification.sass gamification.css
-
diff --git a/addons/google_calendar/static/src/css/Makefile b/addons/google_calendar/static/src/css/Makefile
deleted file mode 100755
index 2071c694b4c..00000000000
--- a/addons/google_calendar/static/src/css/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-google_calendar.css: google_calendar.sass
-	sass --trace -t expanded google_calendar.sass google_calendar.css
-
-	
\ No newline at end of file
diff --git a/addons/hr_recruitment/static/src/css/Makefile b/addons/hr_recruitment/static/src/css/Makefile
deleted file mode 100644
index 3b99d5c5523..00000000000
--- a/addons/hr_recruitment/static/src/css/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-job_position.css: job_position.sass
-	sass --trace -t expanded job_position.sass job_position.css
diff --git a/addons/hr_timesheet_sheet/static/src/css/Makefile b/addons/hr_timesheet_sheet/static/src/css/Makefile
deleted file mode 100644
index e60087d9b33..00000000000
--- a/addons/hr_timesheet_sheet/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-timesheet.css: timesheet.sass
-	sass -t expanded timesheet.sass timesheet.css
-
diff --git a/addons/lunch/static/src/css/Makefile b/addons/lunch/static/src/css/Makefile
deleted file mode 100644
index 941e8dbfe7d..00000000000
--- a/addons/lunch/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-lunch.css: lunch.sass
-	sass -t expanded lunch.sass lunch.css
-
diff --git a/addons/note/static/src/css/Makefile b/addons/note/static/src/css/Makefile
deleted file mode 100644
index 17bf009479e..00000000000
--- a/addons/note/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-note.css: note.sass
-	sass --trace -t expanded note.sass note.css
-
diff --git a/addons/sales_team/static/src/css/Makefile b/addons/sales_team/static/src/css/Makefile
deleted file mode 100644
index 523f4a1e81e..00000000000
--- a/addons/sales_team/static/src/css/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-sales_team.css: sales_team.sass
-    sass --trace -t expanded sales_team.sass:sales_team.css
diff --git a/addons/web/static/src/css/Makefile b/addons/web/static/src/css/Makefile
deleted file mode 100644
index ba88946baac..00000000000
--- a/addons/web/static/src/css/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-all: *.css
-%.css: %.sass
-	sass -t expanded --compass --unix-newlines $< $@
-watch:
-	sass -t expanded --compass --unix-newlines --watch .:.
diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index e615f4ffe2f..1c1b934180a 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -8,7 +8,6 @@
   font-weight: normal;
   font-style: normal;
 }
-
 @font-face {
   font-family: "EntypoRegular";
   src: url("/web/static/src/font/entypo-webfont.eot") format("eot");
@@ -19,7 +18,6 @@
   font-weight: normal;
   font-style: normal;
 }
-
 #oe_main_menu_navbar {
   min-height: 34px;
   z-index: 1001;
@@ -161,16 +159,16 @@
 }
 .openerp .zebra tbody tr:hover td {
   background-color: #e6e6e6;
-  background-image: -webkit-gradient(linear, left top, left bottom, from(#eeeeee), to(#dedede));
-  background-image: -webkit-linear-gradient(top, #eeeeee, #dedede);
-  background-image: -moz-linear-gradient(top, #eeeeee, #dedede);
-  background-image: -ms-linear-gradient(top, #eeeeee, #dedede);
-  background-image: -o-linear-gradient(top, #eeeeee, #dedede);
-  background-image: linear-gradient(to bottom, #eeeeee, #dedede);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#eee), to(#dedede));
+  background-image: -webkit-linear-gradient(top, #eee, #dedede);
+  background-image: -moz-linear-gradient(top, #eee, #dedede);
+  background-image: -ms-linear-gradient(top, #eee, #dedede);
+  background-image: -o-linear-gradient(top, #eee, #dedede);
+  background-image: linear-gradient(to bottom, #eee, #dedede);
 }
 .openerp input, .openerp textarea, .openerp select {
   padding: 2px 4px;
-  border: 1px solid #cccccc;
+  border: 1px solid #ccc;
   -moz-border-radius: 3px;
   -webkit-border-radius: 3px;
   border-radius: 3px;
@@ -252,12 +250,12 @@
   -moz-box-shadow: none !important;
   -webkit-box-shadow: none !important;
   box-shadow: none !important;
-  color: #aaaaaa !important;
+  color: #aaa !important;
   cursor: default;
-  text-shadow: 0 1px 1px white !important;
+  text-shadow: 0 1px 1px #fff !important;
 }
 .openerp .ui-widget-content a {
-  color: #7c7bad;
+  color: #7C7BAD;
 }
 .openerp .oe_bounce_container {
   display: inline-block;
@@ -305,7 +303,7 @@
   cursor: wait;
 }
 .openerp .oe_fade {
-  color: #888888;
+  color: #888;
   font-weight: normal;
 }
 .openerp .oe_bold {
@@ -316,7 +314,7 @@
 }
 .openerp .oe_highlight {
   color: white;
-  background: #dc5f59;
+  background: #DC5F59;
 }
 .openerp button.oe_highlight {
   background-color: #c02c2c;
@@ -349,7 +347,7 @@
   background-image: linear-gradient(to bottom, #c52020, #d22323);
 }
 .openerp .oe_background_grey {
-  background: #eeeeee !important;
+  background: #eee !important;
 }
 .openerp .oe_form_dirty .oe_highlight_on_dirty {
   color: white;
@@ -369,7 +367,7 @@
   box-shadow: none;
 }
 .openerp .oe_form_dirty button.oe_highlight_on_dirty:hover {
-  background: #ed6f6a;
+  background: #ED6F6A;
 }
 .openerp .oe_warning_redirect {
   border: none !important;
@@ -385,7 +383,7 @@
   font-weight: normal;
   width: 132px !important;
   height: 40px;
-  color: #666666;
+  color: #666;
   margin: 0px -1px -1px 0px;
   padding: 0;
   border: 1px solid #dddddd;
@@ -401,7 +399,7 @@
   line-height: 120%;
 }
 .openerp .oe_stat_button .stat_button_icon {
-  color: #7c7bad;
+  color: #7C7BAD;
   font-size: 24px;
   padding: 0px 3px;
   width: 37px;
@@ -482,7 +480,7 @@
   -moz-box-shadow: none;
   -webkit-box-shadow: none;
   box-shadow: none;
-  color: #7c7bad;
+  color: #7C7BAD;
   font-weight: bold;
 }
 .openerp .oe_button.oe_link span:hover {
@@ -505,7 +503,7 @@
   max-width: 650px;
 }
 .openerp .oe_grey {
-  color: #aaaaaa;
+  color: #aaa;
 }
 .openerp .oe_error_detail hr {
   display: block;
@@ -525,9 +523,9 @@
   -webkit-border-radius: 6px;
   border-radius: 6px;
   background-position: center center;
-  background-image: -webkit-radial-gradient(circle, #eeeeee 0%, #cccccc 40%, #bbbbbb 100%);
-  background-image: -moz-radial-gradient(#eeeeee 0%, #cccccc 40%, #bbbbbb 100%);
-  background-image: -ms-radial-gradient(#eeeeee 0%, #cccccc 40%, #bbbbbb 100%);
+  background-image: -webkit-radial-gradient(circle, #eee 0%, #ccc 40%, #bbb 100%);
+  background-image: -moz-radial-gradient(#eee 0%, #ccc 40%, #bbb 100%);
+  background-image: -ms-radial-gradient(#eee 0%, #ccc 40%, #bbb 100%);
   background-image: radial-gradient(circle, #eeeeee 0%, #cccccc 40%, #bbbbbb 100%);
 }
 .openerp .oe_kanban_status_green {
@@ -562,11 +560,11 @@
   -webkit-border-radius: 3px;
   border-radius: 3px;
   background: #f0f0fa;
-  color: #4c4c4c;
+  color: #4C4C4C;
 }
 .openerp .oe_tag_dark {
-  background: #7c7bad;
-  color: #eeeeee;
+  background: #7C7BAD;
+  color: #eee;
 }
 .openerp .oe_form_field_radio.oe_horizontal {
   white-space: nowrap;
@@ -634,13 +632,13 @@
 }
 .openerp .oe_notebook > li > a {
   display: block;
-  color: gray;
+  color: #808080;
 }
 .openerp .oe_notebook > li.ui-tabs-active > a {
   color: #4c4c4c;
 }
 .openerp .oe_notebook {
-  border-color: #dddddd;
+  border-color: #ddd;
   border-style: solid;
   border-width: 0 0 1px;
 }
@@ -658,16 +656,16 @@
 }
 .openerp .oe_notebook > li > a:hover {
   text-decoration: none;
-  background-color: #eeeeee;
-  border-color: #eeeeee #eeeeee #dddddd;
+  background-color: #eee;
+  border-color: #eee #eee #ddd;
 }
 .openerp .ui-tabs .oe_notebook.ui-tabs-nav li.ui-tabs-active {
   border-bottom: none;
   padding-bottom: 1px;
 }
 .openerp .oe_notebook > li.ui-state-active > a, .openerp .oe_notebook > li.ui-state-active > a:hover {
-  background-color: white;
-  border: 1px solid #dddddd;
+  background-color: #ffffff;
+  border: 1px solid #ddd;
   border-bottom-color: transparent;
   cursor: default;
 }
@@ -688,7 +686,7 @@
   cursor: pointer;
 }
 .openerp .oe_dropdown_toggle {
-  color: #2b2b2b;
+  color: #2B2B2B;
   font-weight: normal;
 }
 .openerp .oe_dropdown_hover:hover .oe_dropdown_menu, .openerp .oe_dropdown_menu.oe_opened {
@@ -810,10 +808,10 @@
   top: 0;
   right: 50%;
   padding: 4px 12px;
-  background: #a61300;
+  background: #A61300;
   color: white;
   text-align: center;
-  border: 1px solid #990000;
+  border: 1px solid #900;
   border-top: none;
   -moz-border-radius-bottomright: 8px;
   -moz-border-radius-bottomleft: 8px;
@@ -831,12 +829,12 @@
   width: 32px;
 }
 .openerp .oe_database_manager {
-  background: white;
-  color: black;
+  background: #fff;
+  color: #000;
   text-align: left;
 }
 .openerp .oe_database_manager .oe_database_manager_menu {
-  color: black;
+  color: #000;
 }
 .openerp .oe_webclient {
   width: 100%;
@@ -879,7 +877,7 @@
   width: 100%;
   display: none;
   text-align: center;
-  color: #eeeeee;
+  color: #eee;
   background: rgba(37, 37, 37, 0.9);
   -webkit-box-sizing: border-box;
   -moz-box-sizing: border-box;
@@ -921,7 +919,7 @@
 .openerp .oe_secondary_menu_section {
   font-weight: bold;
   margin-left: 8px;
-  color: #7c7bad;
+  color: #7C7BAD;
 }
 .openerp .oe_secondary_submenu {
   margin-bottom: 10px !important;
@@ -1001,7 +999,7 @@
 }
 .openerp .oe_about .user-details .user-info-block .navigation li.active a {
   background: #a24689;
-  color: white;
+  color: #fff;
 }
 .openerp .oe_about .user-details .user-info-block .user-body {
   text-align: center;
@@ -1025,10 +1023,10 @@
   transform: scale(1.3);
 }
 .openerp .oe_about #social .social-fb:hover {
-  color: #3b5998;
+  color: #3B5998;
 }
 .openerp .oe_about #social .social-tw:hover {
-  color: #4099ff;
+  color: #4099FF;
 }
 .openerp .oe_about #social .social-gp:hover {
   color: #d34836;
@@ -1044,7 +1042,7 @@
   height: 100%;
 }
 .openerp .oe_application a {
-  color: #7c7bad;
+  color: #7C7BAD;
 }
 .openerp .oe_application > div {
   position: relative;
@@ -1120,7 +1118,7 @@
   line-height: 30px;
 }
 .openerp .oe_view_manager table.oe_view_manager_header h2 a {
-  color: #7c7bad;
+  color: #7C7BAD;
 }
 .openerp .oe_view_manager table.oe_view_manager_header .oe_dropdown_menu {
   line-height: normal;
@@ -1146,13 +1144,13 @@
   text-decoration: none;
 }
 .openerp .oe_view_manager table.oe_view_manager_header .oe_button_group .active {
-  background: #999999;
+  background: #999;
   -moz-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3) inset;
   -webkit-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3) inset;
   box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3) inset;
 }
 .openerp .oe_view_manager table.oe_view_manager_header .oe_button_group .active a {
-  color: white;
+  color: #fff;
   text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
 }
 .openerp .oe_view_manager table.oe_view_manager_header .oe_view_manager_buttons {
@@ -1248,13 +1246,13 @@
   text-decoration: none;
 }
 .openerp .oe_pager_group .active {
-  background: #999999;
+  background: #999;
   -moz-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3) inset;
   -webkit-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3) inset;
   box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3) inset;
 }
 .openerp .oe_pager_group .active a {
-  color: white;
+  color: #fff;
   text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
 }
 .openerp .oe_list_pager.oe_list_pager_single_page .oe_pager_group {
@@ -1353,11 +1351,11 @@
   right: 0;
   height: 24px;
   padding: 0 7px 0 4px;
-  color: #cccccc;
+  color: #ccc;
   cursor: pointer;
 }
 .openerp .oe_searchview .oe_searchview_unfold_drawer:hover {
-  color: #999999;
+  color: #999;
 }
 .openerp .oe_searchview .oe_searchview_unfold_drawer:before {
   position: absolute;
@@ -1368,7 +1366,7 @@
   display: inline-block;
   content: "";
   vertical-align: top;
-  border-top: 5px solid #4c4c4c;
+  border-top: 5px solid #4C4C4C;
   border-left: 5px solid transparent;
   border-right: 5px solid transparent;
   filter: alpha(opacity=50);
@@ -1454,7 +1452,7 @@
 .openerp .oe_searchview .oe_searchview_facets .oe_searchview_facet .oe_facet_value {
   border-left: 1px solid #afafb6;
   text-shadow: 0 1px 1px white;
-  color: #4c4c4c;
+  color: #4C4C4C;
 }
 .openerp .oe_searchview .oe_searchview_facets .oe_searchview_facet .oe_facet_value:last-child {
   padding-right: 16px;
@@ -1558,7 +1556,7 @@
   margin-bottom: 0;
 }
 .openerp .oe_searchview_drawer dt {
-  color: #7c7bad;
+  color: #7C7BAD;
   font-size: 13px;
   line-height: 24px;
 }
@@ -1781,8 +1779,8 @@
   display: inline-block;
 }
 .openerp .oe_form_invalid input, .openerp .oe_form_invalid select, .openerp .oe_form_invalid textarea {
-  background-color: #ff6666 !important;
-  border: 1px solid #dd0000 !important;
+  background-color: #F66 !important;
+  border: 1px solid #D00 !important;
 }
 .openerp .oe_view_manager_current .oe_form_editable .oe_highlight {
   color: #404040;
@@ -1876,7 +1874,7 @@
 }
 .openerp .oe_application .oe_form_sheetbg {
   background: url(/web/static/src/img/form_sheetbg.png);
-  border-bottom: 1px solid #dddddd;
+  border-bottom: 1px solid #ddd;
 }
 .openerp .oe_application .oe_form_sheetbg .oe_subtotal_footer label {
   font-weight: bold;
@@ -1936,7 +1934,7 @@
   padding: 16px 16px 48px;
 }
 .openerp .oe_form div.oe_form_configuration p, .openerp .oe_form div.oe_form_configuration ul, .openerp .oe_form div.oe_form_configuration ol {
-  color: #aaaaaa;
+  color: #aaa;
   max-width: 650px;
 }
 .openerp .oe_form div.oe_form_configuration label {
@@ -1977,8 +1975,8 @@
   font-weight: normal !important;
 }
 .openerp .oe_form .oe_form_box_info {
-  background: #ffee99;
-  border-bottom: 1px solid #ccbb66;
+  background: #fe9;
+  border-bottom: 1px solid #cb6;
   padding: 4px;
 }
 .openerp .oe_form .oe_form_box_info > p {
@@ -1986,7 +1984,7 @@
 }
 .openerp .oe_form .oe_form_box_warning {
   background: #bd362f;
-  border-bottom: 1px solid #990000;
+  border-bottom: 1px solid #900;
   padding: 4px;
 }
 .openerp .oe_form .oe_form_box_warning * {
@@ -2000,7 +1998,7 @@
   margin: 2px;
 }
 .openerp .oe_form td.oe_form_group_cell_label {
-  border-right: 1px solid #dddddd;
+  border-right: 1px solid #ddd;
   padding: 2px 0px;
 }
 .openerp .oe_form td.oe_form_group_cell_label label {
@@ -2025,7 +2023,7 @@
 }
 .openerp .oe_form .oe_form_label_help[for] span, .openerp .oe_form .oe_form_label[for] span {
   font-size: 80%;
-  color: darkgreen;
+  color: darkGreen;
   vertical-align: top;
   position: relative;
   top: -4px;
@@ -2038,13 +2036,13 @@
   font-weight: bold;
   font-size: 20px;
   margin: 15px 0px 10px 0px;
-  color: #7c7bad;
+  color: #7C7BAD;
 }
 .openerp .oe_horizontal_separator:empty {
   height: 5px;
 }
 .openerp .oe_vertical_separator {
-  border-left: 1px solid #666666;
+  border-left: 1px solid #666;
   padding: 0 4px 0 4px;
 }
 .openerp .oe_form_field_progressbar {
@@ -2058,7 +2056,7 @@
   -moz-box-sizing: border-box;
   -ms-box-sizing: border-box;
   box-sizing: border-box;
-  border: 1px solid #999999;
+  border: 1px solid #999;
   -moz-border-radius: 3px;
   -webkit-border-radius: 3px;
   border-radius: 3px;
@@ -2139,8 +2137,8 @@
   font-family: "Lucida Grande", Helvetica, Verdana, Arial, sans-serif;
 }
 .openerp .oe_form input[readonly], .openerp .oe_form select[readonly], .openerp .oe_form textarea[readonly], .openerp .oe_form input[disabled], .openerp .oe_form select[disabled] {
-  background: #e5e5e5 !important;
-  color: #666666;
+  background: #E5E5E5 !important;
+  color: #666;
 }
 .openerp .oe_form textarea[disabled] {
   border: none;
@@ -2154,7 +2152,7 @@
   color: #4c4c4c;
 }
 .openerp .oe_form textarea.oe_inline[disabled] {
-  border-left: 8px solid #eeeeee;
+  border-left: 8px solid #eee;
 }
 .openerp .oe_form .oe_form_field_url button img {
   vertical-align: top;
@@ -2174,11 +2172,11 @@
   display: inline-block;
 }
 .openerp .oe_form .oe_form_required input:not([disabled]):not([readonly]), .openerp .oe_form .oe_form_required select:not([disabled]):not([readonly]), .openerp .oe_form .oe_form_required textarea:not([disabled]):not([readonly]) {
-  background-color: #d2d2ff !important;
+  background-color: #D2D2FF !important;
 }
 .openerp .oe_form .oe_form_invalid input, .openerp .oe_form .oe_form_invalid select, .openerp .oe_form .oe_form_invalid textarea {
-  background-color: #ff6666 !important;
-  border: 1px solid #dd0000 !important;
+  background-color: #F66 !important;
+  border: 1px solid #D00 !important;
 }
 .openerp .oe_form .oe_input_icon {
   cursor: pointer;
@@ -2268,7 +2266,7 @@
   width: 100%;
   display: none;
   text-align: center;
-  color: #eeeeee;
+  color: #eee;
   background: rgba(37, 37, 37, 0.9);
   -moz-border-radius: 3px 3px 0 0;
   -webkit-border-radius: 3px 3px 0 0;
@@ -2305,7 +2303,7 @@
 .openerp .oe_fileupload .oe_add button.oe_attach {
   width: 24px;
   background: transparent;
-  color: #7c7bad;
+  color: #7C7BAD;
   box-shadow: none;
   border: none;
   text-shadow: none;
@@ -2324,7 +2322,7 @@
   cursor: pointer;
 }
 .openerp .oe_fileupload .oe_add .oe_attach_label {
-  color: #7c7bad;
+  color: #7C7BAD;
   margin-left: -3px;
 }
 .openerp .oe_fileupload .oe_attachments {
@@ -2350,7 +2348,7 @@
   background: white;
 }
 .openerp .oe_fileupload .oe_attachments .oe_attachment:nth-child(even) {
-  background: #f4f5fa;
+  background: #F4F5FA;
 }
 .openerp .oe_form_field_many2one {
   display: inline-block;
@@ -2511,7 +2509,7 @@
   background-image: linear-gradient(to bottom, #e8e8e8, #cacaca);
 }
 .openerp ul.oe_form_status_clickable li > .label {
-  color: #7c7bad;
+  color: #7C7BAD;
 }
 .openerp ul.oe_form_status_clickable li.oe_active:hover {
   background-color: #3a699f;
@@ -2581,7 +2579,7 @@
   background-color: #d2d2ff;
 }
 .openerp .oe_form_editable .oe_list_editable .oe_list_content td.oe_readonly {
-  background-color: #eeeeee;
+  background-color: #eee;
 }
 .openerp .oe_list_editable .oe_list_content td.oe_list_field_cell {
   padding: 4px 6px 3px;
@@ -2618,7 +2616,7 @@
   -moz-border-radius: 0;
   -webkit-border-radius: 0;
   border-radius: 0;
-  border: 1px solid #aaaaff;
+  border: 1px solid #aaf;
   margin: 0;
 }
 .openerp .oe_list.oe_list_editable.oe_editing .oe_form_field input, .openerp .oe_list.oe_list_editable.oe_editing .oe_form_field textarea, .openerp .oe_list.oe_list_editable.oe_editing .oe_form_field select {
@@ -2710,7 +2708,7 @@
 }
 .openerp .oe_list_content > thead {
   border-bottom: 2px solid #cacaca;
-  background: #eeeeee;
+  background: #eee;
   vertical-align: top;
 }
 .openerp .oe_list_content td, .openerp .oe_list_content th {
@@ -2729,7 +2727,7 @@
   margin-top: 7px;
   border-width: 0 4px 4px;
   border-style: solid;
-  border-color: black transparent;
+  border-color: #000 transparent;
   visibility: hidden;
 }
 .openerp .oe_list_content th.sortup div:after {
@@ -2746,7 +2744,7 @@
   border-bottom: none;
   border-left: 4px solid transparent;
   border-right: 4px solid transparent;
-  border-top: 4px solid black;
+  border-top: 4px solid #000;
   visibility: visible;
   -moz-box-shadow: none;
   -webkit-box-shadow: none;
@@ -2759,7 +2757,7 @@
 }
 .openerp .oe_list_content > tbody > tr {
   height: 27px;
-  border-top: 1px solid #dddddd;
+  border-top: 1px solid #ddd;
 }
 .openerp .oe_list_content > tbody > tr > td.oe_list_field_cell {
   padding: 3px 6px;
@@ -2798,7 +2796,7 @@
 .openerp .oe_list_content > tfoot {
   border-top: 2px solid #cacaca;
   border-bottom: 1px solid #cacaca;
-  background: #eeeeee;
+  background: #eee;
   font-weight: bold;
 }
 .openerp .oe_list_content .numeric {
@@ -2829,7 +2827,7 @@
 .openerp .oe_list_content td.oe_list_field_handle .oe_list_handle:before {
   font: 18px "entypoRegular";
   content: "}";
-  color: #e0e0e0;
+  color: #E0E0E0;
 }
 .openerp .oe_list_content .oe_list_field_progressbar progress {
   width: 100%;
@@ -2991,7 +2989,7 @@
   -webkit-margin-end: 0px;
 }
 .openerp pre {
-  background-color: white;
+  background-color: #FFFFFF;
   border: none;
   padding: 10px 0 3px 0;
 }
@@ -3023,7 +3021,6 @@
     top: 0px;
   }
 }
-
 .kitten-mode-activated {
   background-size: cover;
   background-attachment: fixed;
@@ -3036,9 +3033,9 @@
   -moz-border-radius: 15px;
   -webkit-border-radius: 15px;
   border-radius: 15px;
-  -moz-box-shadow: 0 0 5px 5px #999999;
-  -webkit-box-shadow: 0 0 5px 5px #999999;
-  box-shadow: 0 0 5px 5px #999999;
+  -moz-box-shadow: 0 0 5px 5px #999;
+  -webkit-box-shadow: 0 0 5px 5px #999;
+  box-shadow: 0 0 5px 5px #999;
 }
 
 div.ui-widget-overlay {
@@ -3077,7 +3074,7 @@ div.ui-widget-overlay {
   background: #f0f0fa;
 }
 .ui-menu .ui-menu-item a.ui-state-hover, .ui-menu .ui-menu-item a.ui-state-active {
-  background: #7c7bad;
+  background: #7C7BAD;
 }
 
 .ui-corner-all {
@@ -3091,7 +3088,7 @@ div.ui-widget-overlay {
 }
 
 body.oe_single_form {
-  background: #eeeeee url(/web/static/src/img/form_sheetbg.png);
+  background: #eee url(/web/static/src/img/form_sheetbg.png);
   height: 100%;
 }
 body.oe_single_form .oe_single_form_logo {
@@ -3125,7 +3122,7 @@ body.oe_single_form .oe_single_form_container {
   width: 80px;
 }
 .openerp_ie .oe_form_field_boolean input {
-  background: white;
+  background: #fff;
 }
 .openerp_ie .db_option_table .oe_form_field_selection {
   width: auto;
@@ -3316,7 +3313,7 @@ body.oe_single_form .oe_single_form_container {
   max-width: 350px;
 }
 .tooltip .tooltip-inner .oe_tooltip_string {
-  color: #ffdd55;
+  color: #FD5;
   font-weight: bold;
   font-size: 13px;
 }
@@ -3340,7 +3337,7 @@ body.oe_single_form .oe_single_form_container {
   color: white;
 }
 .tooltip .tooltip-inner .oe_tooltip_close:hover {
-  color: #999999;
+  color: #999;
   cursor: pointer;
 }
 .tooltip .tooltip-inner .oe_tooltip_message {
@@ -3415,7 +3412,7 @@ div.tour-backdrop {
   bottom: 0;
   left: 0;
   z-index: 1100;
-  background-color: black;
+  background-color: #000;
   opacity: 0.8;
 }
 
diff --git a/addons/web_calendar/static/src/css/Makefile b/addons/web_calendar/static/src/css/Makefile
deleted file mode 100755
index 96eee92d6ca..00000000000
--- a/addons/web_calendar/static/src/css/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-web_fullcalendar.css: web_fullcalendar.sass
-	sass --trace -t expanded web_fullcalendar.sass web_fullcalendar.css
-
-	
\ No newline at end of file
diff --git a/addons/web_kanban/static/src/css/Makefile b/addons/web_kanban/static/src/css/Makefile
deleted file mode 100644
index cae8f74448f..00000000000
--- a/addons/web_kanban/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-kanban.css: kanban.sass
-	sass -t expanded kanban.sass kanban.css
-
diff --git a/addons/web_kanban/static/src/css/kanban.css b/addons/web_kanban/static/src/css/kanban.css
index 50a9e54d7be..eac7f20dcf6 100644
--- a/addons/web_kanban/static/src/css/kanban.css
+++ b/addons/web_kanban/static/src/css/kanban.css
@@ -1,4 +1,3 @@
-@charset "utf-8";
 .openerp .oe_kanban_view {
   background: white;
   height: inherit;
@@ -17,7 +16,7 @@
   max-width: 700px;
 }
 .openerp .oe_kanban_view .oe_view_nocontent .oe_view_nocontent_bg {
-  background: #eeeeee;
+  background: #eee;
   opacity: 0.7;
   position: absolute;
   top: 0;
@@ -71,7 +70,7 @@
   word-wrap: break-word;
 }
 .openerp .oe_kanban_view .oe_kanban_content .oe_star_on, .openerp .oe_kanban_view .oe_kanban_content .oe_star_off {
-  color: #cccccc;
+  color: #ccc;
   text-shadow: 0 0 2px black;
   vertical-align: top;
   position: relative;
@@ -88,7 +87,7 @@
 }
 .openerp .oe_kanban_view .oe_kanban_button_new {
   color: white;
-  background: #dc5f59;
+  background: #DC5F59;
 }
 .openerp .oe_kanban_view .oe_kanban_groups {
   height: inherit;
@@ -161,7 +160,7 @@
 }
 .openerp .oe_kanban_view .oe_form .oe_kanban_column {
   padding: 0px;
-  background: white;
+  background: #ffffff;
 }
 .openerp .oe_kanban_view.oe_kanban_grouped .oe_kanban_column, .openerp .oe_kanban_view.oe_kanban_grouped .oe_kanban_column_cards {
   height: 100%;
@@ -247,7 +246,7 @@
   -box-shadow: none;
 }
 .openerp .oe_kanban_view .oe_kanban_quick_create input:focus {
-  border: 1px solid #a6a6fe;
+  border: 1px solid #A6A6FE;
   -moz-box-shadow: 0px 0px 7px rgba(0, 133, 255, 0.3) inset;
   -webkit-box-shadow: 0px 0px 7px rgba(0, 133, 255, 0.3) inset;
   -box-shadow: 0px 0px 7px rgba(0, 133, 255, 0.3) inset;
@@ -320,15 +319,15 @@
   -box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
 }
 .openerp .oe_kanban_view .oe_kanban_box {
-  background: white;
-  border: 2px solid #cccccc;
+  background: #FFF;
+  border: 2px solid #CCC;
   border-radius: 4px;
   -moz-border-radius: 4px;
   -webkit-border-radius: 4px;
   margin-bottom: 5px;
 }
 .openerp .oe_kanban_view .oe_kanban_box_header {
-  border-bottom: 1px solid #cccccc;
+  border-bottom: 1px solid #CCC;
 }
 .openerp .oe_kanban_view .oe_kanban_title {
   font-size: 95%;
@@ -387,8 +386,8 @@
   border-radius: 3px;
   -moz-border-radius: 3px;
   -webkit-border-radius: 3px;
-  color: black;
-  text-shadow: 0 1px white;
+  color: #000000;
+  text-shadow: 0 1px #fff;
   padding: 0 4px;
   font-size: 85%;
   margin: 1px;
@@ -413,10 +412,10 @@
   cursor: move;
 }
 .openerp .oe_kanban_view .oe_kanban_color_border {
-  border-color: #cccccc;
+  border-color: #CCCCCC;
 }
 .openerp .oe_kanban_view .oe_kanban_color_border {
-  border-color: #cccccc;
+  border-color: #CCCCCC;
 }
 .openerp .oe_kanban_view .oe_kanban_tooltip ul, .openerp .oe_kanban_view ul.oe_kanban_tooltip {
   padding: 0 0 4px 0;
@@ -448,10 +447,10 @@
   border-radius: 4px;
 }
 .openerp .oe_kanban_view .oe_kanban_card:not(.ui-sortable-helper):hover, .openerp .oe_kanban_view .oe_kanban_quick_create:not(.ui-sortable-helper):hover {
-  border: 1px solid #7c7bad;
-  -moz-box-shadow: 0 0 4px #7c7bad;
-  -webkit-box-shadow: 0 0 4px #7c7bad;
-  -box-shadow: 0 0 4px #7c7bad;
+  border: 1px solid #7C7BAD;
+  -moz-box-shadow: 0 0 4px #7C7BAD;
+  -webkit-box-shadow: 0 0 4px #7C7BAD;
+  -box-shadow: 0 0 4px #7C7BAD;
 }
 .openerp .oe_kanban_view .oe_kanban_card:not(.ui-sortable-helper):hover .oe_dropdown_kanban > span, .openerp .oe_kanban_view .oe_kanban_quick_create:not(.ui-sortable-helper):hover .oe_dropdown_kanban > span {
   visibility: visible;
@@ -486,9 +485,9 @@
 .openerp .oe_kanban_view .oe_kanban_footer_left > span {
   margin-top: 2px;
   display: inline-block;
-  background: #e6e6e6;
-  border: 1px solid #b9b9b9;
-  color: #666666;
+  background: #E6E6E6;
+  border: 1px solid #B9B9B9;
+  color: #666;
   padding: 0 2px;
   line-height: 16px;
   -moz-border-radius: 3px;
@@ -521,7 +520,7 @@
   top: 2px;
 }
 .openerp .oe_kanban_view .oe_kanban_text_red {
-  color: #a61300;
+  color: #A61300;
   font-weight: bold;
   -moz-border-radius: 4px;
   -webkit-border-radius: 4px;
@@ -573,52 +572,52 @@
   border: 1px solid gray !important;
 }
 .openerp .oe_kanban_view .oe_kanban_colorpicker li:first-child a {
-  border: 1px solid #cccccc;
+  border: 1px solid #ccc;
 }
 .openerp .oe_kanban_view .oe_kanban_color_0 {
-  background-color: white;
+  background-color: #FFFFFF;
   color: #5a5a5a;
 }
 .openerp .oe_kanban_view .oe_kanban_color_1 {
-  background-color: #cccccc;
+  background-color: #CCCCCC;
   color: #424242;
 }
 .openerp .oe_kanban_view .oe_kanban_color_2 {
-  background-color: #ffc7c7;
+  background-color: #FFC7C7;
   color: #7a3737;
 }
 .openerp .oe_kanban_view .oe_kanban_color_3 {
-  background-color: #fff1c7;
+  background-color: #FFF1C7;
   color: #756832;
 }
 .openerp .oe_kanban_view .oe_kanban_color_4 {
-  background-color: #e3ffc7;
+  background-color: #E3FFC7;
   color: #5d6937;
 }
 .openerp .oe_kanban_view .oe_kanban_color_5 {
-  background-color: #c7ffd5;
+  background-color: #C7FFD5;
   color: #1a7759;
 }
 .openerp .oe_kanban_view .oe_kanban_color_6 {
-  background-color: #c7ffff;
+  background-color: #C7FFFF;
   color: #1a5d83;
 }
 .openerp .oe_kanban_view .oe_kanban_color_7 {
-  background-color: #c7d5ff;
+  background-color: #C7D5FF;
   color: #3b3e75;
 }
 .openerp .oe_kanban_view .oe_kanban_color_8 {
-  background-color: #e3c7ff;
+  background-color: #E3C7FF;
   color: #4c3668;
 }
 .openerp .oe_kanban_view .oe_kanban_color_9 {
-  background-color: #ffc7f1;
+  background-color: #FFC7F1;
   color: #6d2c70;
 }
 
 .openerp .oe_form .oe_kanban_view .oe_kanban_column, .openerp .oe_form .oe_kanban_view .oe_kanban_group_header {
   padding: 0px;
-  background: white;
+  background: #ffffff;
 }
 
 .openerp .oe_popup_form .oe_kanban_buttons .oe_highlight {
diff --git a/addons/web_kanban/static/src/css/kanban.sass b/addons/web_kanban/static/src/css/kanban.sass
index d5f2bfcdbd8..8398f12ae08 100644
--- a/addons/web_kanban/static/src/css/kanban.sass
+++ b/addons/web_kanban/static/src/css/kanban.sass
@@ -15,7 +15,7 @@
     background-image: -webkit-radial-gradient(circle, $gradient)
     background-image: -moz-radial-gradient($gradient)
     background-image: -ms-radial-gradient($gradient)
-    background-image: radial-gradient($gradient)
+    background-image: radial-gradient(circle, $gradient)
 
 @mixin radius($radius: 5px)
     -moz-border-radius: $radius
diff --git a/addons/website/static/src/css/Makefile b/addons/website/static/src/css/Makefile
deleted file mode 100644
index 18ce9e4154e..00000000000
--- a/addons/website/static/src/css/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-sass:
-	sass -t expanded --compass --unix-newlines --watch website.sass:website.css&
-	sass -t expanded --compass --unix-newlines --watch editor.sass:editor.css&
-	sass -t expanded --compass --unix-newlines --watch snippets.sass:snippets.css&
diff --git a/addons/website_blog/static/src/css/Makefile b/addons/website_blog/static/src/css/Makefile
deleted file mode 100644
index fdfe9f98879..00000000000
--- a/addons/website_blog/static/src/css/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-sass:
-	sass --compass --unix-newlines -t expanded website_blog.sass:website_blog.css
diff --git a/addons/website_forum/static/src/css/Makefile b/addons/website_forum/static/src/css/Makefile
deleted file mode 100644
index ceee4ae3f7a..00000000000
--- a/addons/website_forum/static/src/css/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-all: website_forum.css
-%.css: %.sass
-	sass -t expanded --compass --unix-newlines $< $@
-watch:
-	sass -t expanded --compass --unix-newlines --watch .:.
diff --git a/addons/website_payment/static/src/css/Makefile b/addons/website_payment/static/src/css/Makefile
deleted file mode 100644
index 7f7f16d3616..00000000000
--- a/addons/website_payment/static/src/css/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-sass:
-	sass --trace -t expanded website_payment.sass:website_payment.css
diff --git a/addons/website_sale/static/src/css/Makefile b/addons/website_sale/static/src/css/Makefile
deleted file mode 100644
index 69799f86913..00000000000
--- a/addons/website_sale/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-sass:
-	sass -t expanded --unix-newlines --watch website_sale.sass:website_sale.css&
-	sass -t expanded --unix-newlines --watch website_mail.sass:website_mail.css&
diff --git a/addons/website_sale_options/static/src/css/Makefile b/addons/website_sale_options/static/src/css/Makefile
deleted file mode 100644
index 6753818a302..00000000000
--- a/addons/website_sale_options/static/src/css/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-sass:
-	sass -t expanded --unix-newlines --watch website_sale.sass:website_sale.css&
diff --git a/addons/website_twitter/static/src/css/Makefile b/addons/website_twitter/static/src/css/Makefile
deleted file mode 100644
index 21d0e6cdc39..00000000000
--- a/addons/website_twitter/static/src/css/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-sass:
-	sass -t expanded --compass --unix-newlines --watch website.twitter.sass:website.twitter.css
-	 
diff --git a/openerp/addons/base/static/src/css/Makefile b/openerp/addons/base/static/src/css/Makefile
deleted file mode 100644
index cf91573f741..00000000000
--- a/openerp/addons/base/static/src/css/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-sass:
-	sass -t expanded --compass  --watch --unix-newlines *.sass