.online{position:relative;}    
    .online:hover .onLineLearnPlatform{display:block;}
    .onLineLearnPlatform{
      position:absolute;
      top:64px;
      margin-left:-64px;
      padding-top:8px;
      width:220px;
      text-align:center;
      display:none;
      box-shadow:0px 4px 5px rgb(0 0 0 / 10%);      
    }
    .onLineLearnPlatform li{      
      height: 60px!important;
      float:none!important;
      line-height: 60px!important;
      font-size: 16px;
      background-color:#fff;
      margin:0!important;
    }    
    .onLineLearnPlatform li a{ color:#333; line-height: 60px!important; height: 60px!important; }
    .onLineLearnPlatform li a:hover{ color: #1057d5;}
  
    .on .onLineLearnPlatform li{ background:rgba(0,0,0,.5);}
    .dpBlock{ 
      display:block;
      transition: transform 0.3s, opacity 0.3s;
      -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
    }