setInterval(function(){//下拉框向下箭头的背景色$(".fr-trigger-btn-up").css("background", "#F99C34").css("border", "0px solid #F99C34");//下拉框字体

$(".fr-combo-list").css("font-family", "Microsoft YaHei").css("color", "#010b13");//下拉框外部边框

$(".fr-combo-list").css("border", "0.5px solid #E3E6ED").css('border-radius', '1px').css("background", "#ffffff");

$(".fr-trigger-editor").css("border-radius","5px").css("border", "1px solid #ffffff");//圆角

$(".fr-checkbox-control").css("background", "#F99C34").css("border", "1px solid #F99C34");   //下拉框全选行//

$(".fr-form-imgboard").css("font-family", "Microsoft YaHei").css("color", "#ffffff");},0)

setTimeout(function() {

        $('.fr-trigger-btn-up').css({

                "background-color": "red" });

}, 100);