想把下拉框蓝色部分，変成右边登録按扭的颜色哪个是蓝色部分的css？.fr-trigger-btn-up{
background-color: #103274;
}
.fr-trigger-btn-over{
background-color:#359df7;
}
.fr-trigger-btn-down{
background-color:#103274;
}
.fr-combo-list-item{
color: white;
background-color:#103274;
font-size: 14px;
}
.fr-combo-list{
border:none ;
}
.fr-combo-selected{
background-color: #359df7;
border-color: red;
}
.fr-combo-list-item-noselect{
color: red !important;
}初始化事件setTimeout(function() {
$(".fr-trigger-text.fr-border-box").find("input").css({"background-color":"black","color":"white"})
},100);
var link='';
$("head").append(link);
