ok-admin/css/okadmin.theme.css

.okadmin.orange_theme .ok-left .okadmin-nav .layui-nav-bar {
    background: #FF4806; }

.okadmin.orange_theme .ok-left .okadmin-nav .layui-nav-item.layui-this a {
    background: #FF4806; }

.okadmin.orange_theme .ok-left .okadmin-nav .layui-nav-item .layui-nav-child .layui-this a {
    background: #FF4806; }

.okadmin.orange_theme .ok-tab .okadmin-tabs-control:hover, .okadmin.orange_theme .ok-tab .layui-tab-title li.layui-this {
    color: #FF4806; }

.okadmin.blue_theme .ok-left .okadmin-nav .layui-nav-bar {
    background: #2D8CF0; }

.okadmin.blue_theme .ok-left .okadmin-nav .layui-nav-item.layui-this a {
    background: #2D8CF0; }

.okadmin.blue_theme .ok-left .okadmin-nav .layui-nav-item .layui-nav-child .layui-this a {
    background: #2D8CF0; }

.okadmin.blue_theme .ok-tab .okadmin-tabs-control:hover, .okadmin.blue_theme .ok-tab .layui-tab-title li.layui-this {
    color: #2D8CF0; }

/**============================导航菜单的箭头 start============================*/
#navBar .layui-nav-more {
    top: 17px;
    right: 20px;
}

.layui-nav-itemed>a .layui-nav-more:before{
    right: -2px;
    margin-top: -6px;
}
#navBar .layui-nav-more:before {
    content: '';
    width: 0;
    height: 0;
    border-style: solid dashed dashed;
    border-color: #fff transparent transparent;
    overflow: hidden;
    cursor: pointer;
    /*transition: all .2s;*/
    -webkit-transition: all .2s;
    position: absolute;
    top: 50%;
    /*top: 40%;*/
    /*right: 3px;*/
    /*margin-top: 20px;*/
    border-width: 6px;
    border-top-color: rgba(255,255,255,.7);
}

#navBar.ok-arrow2 .layui-nav-item a span,
#navBar.ok-arrow3 .layui-nav-item a span,
#navBar.ok-arrow2 .layui-nav-item.layui-nav-itemed dd a span,
#navBar.ok-arrow3 .layui-nav-item.layui-nav-itemed dd a span{
    top: 14px!important;
}
#navBar.ok-arrow2 .layui-nav-item.layui-nav-itemed a span,
#navBar.ok-arrow2 .layui-nav-item dd.layui-nav-itemed a span,
#navBar.ok-arrow3 .layui-nav-item.layui-nav-itemed a span,
#navBar.ok-arrow3 .layui-nav-item dd.layui-nav-itemed a span {
    top: 20px!important;
}

#navBar.ok-arrow2 .layui-nav-item a span.layui-nav-more,
#navBar.ok-arrow3 .layui-nav-item a span.layui-nav-more {
    font-family: ok-icon !important;
    font-size: 12px;
    font-weight: 600;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 12px;
    height: 12px;
    color: #FFFFFF;
    border: 0;
    display: block;
}
#navBar.ok-arrow2 .layui-nav-item a span.layui-nav-more:before,
#navBar.ok-arrow3 .layui-nav-item a span.layui-nav-more:before{
    display: block;
    position: absolute;
    border-style: none;
    /*border-color: #fff transparent transparent;*/
    top: 5px;
    left: 0;
    height: 12px;
    line-height: 12px;
    width: 100%;
    font-size: 12px;
    color: #FFFFFF;
    transition: all .2s ease-in-out;
}
#navBar.ok-arrow2 .layui-nav-item a span.layui-nav-more:before {
    content: "\e661";
}
#navBar.ok-arrow2 .layui-nav-itemed > a > span.layui-nav-more:before{
    top: 20px;
    content: "\e6de";
     transform: rotate(180deg);
}

#navBar.ok-arrow3 .layui-nav-item a span.layui-nav-more:before{
    content: "\e767";
}
#navBar.ok-arrow3 .layui-nav-itemed > a > span.layui-nav-more:before{
    top: 18px;
    content: "\e768";
}

/**============================导航菜单的箭头 end============================*/