body, html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  overflow: hidden;
}

#videoPlayer {
  position: fixed; 
  top: 0;
  left: 0;
  width: 100vw; 
  height: 100vh; 
  object-fit: cover; 
  z-index: -1; 
}

#btn {
    height: 90vh;
    width: 10vh;
    top: 90vh;
    left:8vh;
    border: none;
    border-radius: 10px;
    color: rgb(0, 0, 0);
    font-size: 20px;
    position: absolute;
    transition: 1s;
    -webkit-tap-highlight-color: transparent;
    display: flex;
    cursor: pointer;
    padding-top: 5px;
  }
  
  #btn #circle {
    width: 5px;
    height: 5px;
    background: transparent;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 50%;
    overflow: hidden;
    transition: 500ms;
  }
  
  .noselect {
    -webkit-touch-callout: none;
      -webkit-user-select: none;
       -khtml-user-select: none;
         -moz-user-select: none;
          -ms-user-select: none;
              user-select: none;
  }
  
  #btn:hover {
    background: transparent;
  }
  
  #btn:hover #circle {
    height: 5vh;
    width: 9vh;
    top: 0;
    left: 0;
    border-radius: 0;
    border-bottom: 2px solid #e22626;
  }
  
  @media (max-width: 600px) {
    #btn {
        height: 60vh; 
        width: 15vh; 
        top: 300vh; 
        left: 5vh; 
        font-size: 16px; 
    }
  }
  @media (min-width: 601px) and (max-width: 1024px) {
    #btn {
        height: 80vh; 
        width: 8vh; 
        top: 85vh; 
        left: 7vh; 
        font-size: 18px; 
    }
  
  }