odoo/addons/survey/static/src/css/survey.css

.openerp .oe_survey_title {
    font-weight: bold;
    font-size: 19px;
    margin: 8px 0px 8px 0px;
    color: #5B5B5B;
}

.openerp .oe_kanban_survey {
    width: 200px;

}