html {
    box-sizing: border-box;
  }
  
  *, *:before, *:after {
    box-sizing: inherit;
  }
  
  
  .row{
      display: block;
    margin-left: auto;
    margin-right: auto;
    width: 90%;
  }
  
  .column {
    float: left;
    width: 20%;
    margin-bottom: 16px;
    padding: 0 8px;
  }
  
  @media screen and (max-width: 812px) {
    .column {
      width: 100%;
      display: block;
    }
    .s1{ text-align:center;
    }
  }
  
  .card {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    border-radius: 6px;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .container::after, .row::after {
    content: "";
    clear: both;
    display: table;
  }
  
  .title {
    margin-top: -2px;
    margin-bottom: 12px;
  
  }
  
  .button {
    border: none;
    outline: 0;
    display: inline-block;
    padding: 8px;
    color: white;
    background-color: #241571;
    text-align: center;
    cursor: pointer;
    width: 100%;
    border-radius: 6px;
    line-height:0.6;
  }
  
  
  .gt{
      width: 480px;
      height: 260px;
      border-radius: 6px 6px 0px 0px;
  }
  .button:hover {
    background-color: #O437F2;
  }