@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600&display=swap');

*{
   font-family: 'Poppins', sans-serif;
   margin:0; padding:0;
   box-sizing: border-box;
   outline: none; border:none;
   text-decoration: none;
   text-transform: capitalize;
}

body{
   background-color: rgb(48, 51, 236);
   padding:20px;
}

.container{
   max-width: 1200px;
   margin:30px auto;
   display: flex;
   flex-wrap: wrap;
   align-items: flex-start;
   gap:20px;
   justify-content: center;
}

.container .main-video-container{
   flex:1 1 700px;
   border-radius: 5px;
   box-shadow: 0 5px 15px rgba(0,0,0,.1);
   background-color: #fff;
   padding:15px;
}

.container .main-video-container .main-video{
   margin-bottom: 7px;
   border-radius: 5px;
   width: 100%;
}

.container .main-video-container .main-vid-title{
   font-size: 20px;
   color:#444;
}

.container .video-list-container{
   width: 400px;
   height: 485px;
   overflow-y: scroll;
   border-radius: 5px;
   box-shadow: 0 5px 15px rgba(0,0,0,.1);
   background-color: #fff;
   padding:15px;
}

.container .video-list-container::-webkit-scrollbar{
   width: 10px;
}

.container .video-list-container::-webkit-scrollbar-track{
   background-color: #fff;
   border-radius: 5px;
}

.container .video-list-container::-webkit-scrollbar-thumb{
   background-color: #444;
   border-radius: 5px;
}

.container .video-list-container .list{
   display: flex;
   align-items: center;
   gap:15px;
   padding:10px;
   background-color: #eee;
   cursor: pointer;
   border-radius: 5px;
   margin-bottom: 10px;
   text-align: center;
   
}

.container .video-list-container .list:last-child{
   margin-bottom: 0;
}

.container .video-list-container .list.active{
   background-color: #444;
}

.container .video-list-container .list.active .list-title{
   color:#fff;
   
}

.container .video-list-container .list .list-video{
   width: 100px;
   border-radius: 5px;
}

.container .video-list-container .list .list-title{
   font-size: 17px;
   color:#444;
   text-align: center;
}

.logo{


position:relative;
box-sizing: content-box;
justify-content: center;
align-items: center;
align-content: center;
max-width: 250px;
}

.logoimg{
   
   max-height: 50px;
   background-color: white;
   border-radius: 3px;
}


.subjectimg{
   
   max-width: 20%; 
   position: absolute;
   right: 1%;
   border-radius: 10px;
   top: 3%;
   background-color: white;
   
}


.classheading{

width: fit-content;
   position: relative;
   left: 49.5%;
   top: 50%;
   transform: translate(-50%, -50%);
   border-radius: 10px;
margin-top: 20px;
   background-color: white;
   margin-bottom: 10px;
   margin-top: -10px;
   text-align: center;
   display: flex;
   justify-self: center;
   justify-content: center;
   padding-left: 7px;
   padding-right: 7px;
}






@media (max-width:1200px){

   .container{
      margin:0;
   }

   

}

@media (max-width:4450px){

   .container .main-video-container .main-vid-title{
      font-size: 15px;
      text-align: center;
   }

   .container .video-list-container .list{
      flex-flow: column;
      gap:10px;
   }

   .container .video-list-container .list .list-video{
      width: 100%;
   }

   .container .video-list-container .list .list-title{
      font-size: 15px;
      text-align: center;
   }

   .classheading{

      margin-top: 10px;
   }   

}

@media (max-width:650px){

   .classheading{

      margin-top: 30px;
   }   


}