.body {
    margin: 0px;
    padding: 0px; 
}
a {
    text-decoration: none;
    display: inline-block;
    
} 
a:hover {
    background-color: white;
    color: black;
}
  .previous {
  margin-left: 265px;
  background-color: white;
  color: rgb(9, 9, 9);
  font-size: 50px;

  }

    /* Style the video: 100% width and height to cover the entire window */
#myVideo {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    height: 700px;
  }
  
  /* Add some content at the bottom of the video/page */
  .content {
    position: fixed;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    color: #f1f1f1;
    width: 100%;
    padding: 20px;
    width: 890px;
    margin-left: 267px;
  }
  
  /* Style the button used to pause/play the video */
  #myBtn {
    width: 200px;
    font-size: 18px;
    padding: 10px;
    border: none;
    background: #000;
    color: #fff;
    cursor: pointer;
  }
  
  #myBtn:hover {
    background: #ddd;
    color: black;
  }
  @media only screen and (min-width: 300px) and (max-width: 374px){
    .previous {
      margin-left: 10px;
      color: rgb(15, 15, 15);
  }
  
    #myVideo{
       max-width: 100%;
       max-height: 100%;
     } 
     .content {
        text-align: center;
        background: rgba(0, 0, 0, 0.5);
        color: #f1f1f1;
        width: 150px;
        height: 40px;
        font-size: 10px;
        margin-bottom: 60px;
        margin-left: 50px;
      }
      
      /* Style the button used to pause/play the video */
      #myBtn {
        border: none;
        background: #000;
        color: #fff;
        cursor: pointer;
        margin-left: -15px;
        width: 180px;
      }
      
      #myBtn:hover {
        background: #ddd;
        color: black;
      }
}
@media only screen and (min-width: 375px) and (max-width: 400px){
  .previous {
    margin-left: 10px;
    color: rgb(16, 15, 15);
}

  #myVideo{
     width: 300px;
     height: 500px;
   } 
   .content {
      text-align: center;
      background: rgba(0, 0, 0, 0.5);
      color: #f1f1f1;
      width: 150px;
      height: 40px;
      font-size: 10px;
      margin-bottom: 500px;
      margin-left: 70px;
    }
    
    /* Style the button used to pause/play the video */
    #myBtn {
      border: none;
      background: #000;
      color: #fff;
      cursor: pointer;
      margin-left: -15px;
      width: 180px;
    }
    
    #myBtn:hover {
      background: #ddd;
      color: black;
    }
}
@media only screen and (min-width: 400px) and (max-width: 600px){
  .previous {
    margin-left: 5px;
    color: rgb(14, 13, 13);
}
  
  #myVideo{
    width: 300px;
    height: 700px;
    margin-bottom: 350px;
  } 
  .content {
     text-align: center;
     background: rgba(0, 0, 0, 0.5);
     color: #f1f1f1;
     width: 300px;
     height: 40px;
     font-size: 8px;
     margin-bottom: 460px;
     margin-left: 40px;
   }
   #myBtn {
    border: none;
    background: #000;
    color: #fff;
    cursor: pointer;
    margin-left: 40px;
    width: 200px;
   margin: 20px;
  }
}