img.center {
 display: block;
 margin-left: auto;
 margin-right: auto;
 width: 800px;
}


video {
    width: 100% !important;
    height: auto !important;
  }
  
  main {
    background: white;
    height: 100vh;
    max-width: 400px;
    margin: 0 auto;
    padding: 1rem;
  }
  

  .btn-block {
    display: block;
    color:black;
    width: 100%;
    border: none;
    background-color: #04AA6D;
    padding: 14px 28px;
    font-size: 16px;
    cursor: pointer;
    text-align: center;
  }  

  /* ------------------------ */
  @media (max-width: 991.99px)  {
    .icon-size {
      width:24;
    }
  }
  
  @media (min-width: 992px) {
    .icon-size {
      width:60;
    }
  }