body {
    margin: 0;
  }
  
  html {
    box-sizing: border-box;
  }
  
  *, *:before, *:after {
    box-sizing: inherit;
  }
  
  .row{
    display: flex;
    justify-content: center;
  }
  .column {
    width: 33.3%;
    margin-bottom: 16px;
    padding: 0 8px;
  }
  
  .card {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    margin: 8px;
  }
  
  .about-section {
    padding: 50px;
    text-align: center;
    color: white;
  }

  video {
    object-fit: cover;
    width: 100%;
    height: 300px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0.7;
}
  
  .container {
    padding: 0 16px;
  }
  
  
  .title {
    color: grey;
  }
  
  .button {
    border: none;
    outline: 0;
    display: inline-block;
    padding: 8px;
    color: white;
    background-color: #000;
    text-align: center;
    cursor: pointer;
    width: 100%;
    text-decoration: none;
  }
  
  .button:hover {
    background-color: #555;
  }
  
  @media screen and (max-width: 1200px) {
    .column {
        width: 50%;
      }
  }

  @media screen and (max-width: 650px) {
    .column {
      width: 100%;
      display: block;
    }
  }