.constudypeo{backgroundSize:"cover";background-color:#0045d1;background-size:cover;background-position:50%;position:relative;height:250px}.overyellow{position:absolute;top:0;left:0;right:0;bottom:0;background-color:rgba(156,78,0,.9);justify-content:center;align-items:center;color:#fff}.constucen{backgroundSize:"cover";background-color:#ebebeb;background-size:cover;background-position:50%;height:200px}.circular-imagemen{width:50px;height:50px;-webkit-clip-path:circle(50%);clip-path:circle(50%);display:block}.concenter2{height:400px}.concenter2,.concenter3{justify-content:center;text-align:center;align-items:center;background-color:#fff}.el-collapse-item__header{font-size:17px;color:#0d0d0d;font-weight:550}.el-tabs__nav-wrap:after{position:static!important}.center-row{display:flex;justify-content:center;align-items:center}.video-cover-container{position:relative;width:360px;height:210px;border-radius:8px 8px 0 0;cursor:pointer;border-radius:2px;overflow:hidden}.cover-image{width:100%;height:auto;display:block}.play-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.3);display:flex;justify-content:center;align-items:center;transition:background .3s}.video-cover-container:hover .play-overlay{background:rgba(0,0,0,.5)}.play-icon{width:0;height:0;border-top:20px solid transparent;border-bottom:20px solid transparent;border-left:35px solid #fff;margin-left:5px}