styles.css

* {
  font-family: Arial;
 }
body{
  margin: 0;
}
.body-container {
    margin-left: auto;
    margin-right: auto;
    width: 480px;
    display: block;
    float: none;
    background-color: #222222;
    height: 580px;
    overflow-x: hidden;
    overflow-y: hidden;
    text-align: center;
    /* border-radius: 20px 20px 0 0; */
 }
  
 .tab-body{
   height: 515px;
   overflow-y:scroll;
   overflow-x: hidden;
 }
  .navigation-container {
    display: flex;
    overflow: hidden;
    height: 60px;
    background-color: #303030;
    color: rgb(255, 255, 255);
  }
  
  .navigation-container div {
    background-color: inherit;
    flex: 2 2 0;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
  }

  .navigation-container div:hover {
    background-color: #ddd;
    color: #303030;
  }
  

  .navigation-container div.active {
    background-color: #ccc;
    color: #303030;
  }

  .tab{
      text-align: center;
  }


  .video {
    display: flex;
    background-color: rgb(0, 0, 0);
    color: aliceblue;
    margin-top: 3px;
    padding: 10px;
    cursor: pointer;
  }

  h4 {
    padding-left: 16px;
    text-align: left;
    text-overflow: ellipsis;
    width: 300px;
  }

  .alert {
    padding: 20px;
    margin: 30px;
    background-color: #1f1f1f;
    text-align: left;
    color: white;
    border-style: solid;
    border-width: 5px;
    border-radius: 5px;
    border-color: #f44336;
    
  }

  .just {
    padding: 20px;
    margin: 30px;
    background-color: #1f1f1f;
    text-align: left;
    color: white;
    border-style: solid;
    border-width: 5px;
    border-radius: 5px;
    border-color: #36f43f;
    
  }
  
  .closebtn {
    margin-left: 15px;
    color: #f44336;
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
    transition: 0.3s;
  }

  .closebtnj {
    margin-left: 15px;
    color: #36f446;
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
    transition: 0.3s;
  }
  
  .closebtn:hover {
    color: #f443367a;
  }

  .closebtnj:hover {
    color: #36f4567a;
  }

  .current_video_label{
    height: 50px;
    padding: 20px;
    background-color: #1f1f1f;
    text-align: left;
    color: white;
  }