body {
    background-image: url("fondo0.png");

    background-size: 100%
  }

  img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20%;
    opacity: 0.0;
  }  
  img:hover {
    opacity: 1.0;
  } 

  .column {
    margin-top: 20%;
    margin-left: 41%;
    
    width: 10%;
    padding: 50px;
    font-family: monospace;
    align-items: center;
      }

  .row:after {
    content: "";
    display: table;
    clear: both;
  }

  p{
      text-align: center;
  }