.ui-combobox {
        position: relative;
        display: inline-block;
}
.ui-combobox-toggle {
        position: absolute;
        top: 0;
        bottom: 0;
        margin-left: -1px;
        padding: 0;
        /** adjust styles for IE 6/7 **/
        *height: 1.7em;
        *top: 0.1em;
}
.ui-combobox-input {
        margin: 0;
        padding: 3px;
        width: 300px;
}
.ui-menu.ui-widget.ui-widget-content.ui-corner-all{
    background: #FFFFFF;
}
.ui-widget-content .ui-combobox-input{
    background: #FFF !important;
    color:#000!important;
    border-radius: 0!important;
    border:1px solid #CCCCCC!important
}
#form_connexion .ui-combobox-input{
    width:310px;
}
#search_form .ui-combobox-input{
    width:300px;
}
#search_form .dropdownButton{
    height: 20px;
    border-left: 1px solid #CCCCCC !important;
    overflow: hidden;
    width: 26px;
}