  body {
        background-color: #fff;
        margin: 0; background-image:url(images/fondo.jpg); background-repeat:repeat; 
        padding: 0;
      }
      .container {
        height: 90vh;
        width: 85%;
        margin: 20px auto;
        border: 0px solid red;
        box-shadow: 0 0 0px red;
      }
      .fullscreen {
        background-color: #333;
      }
      .examples {
        position: relative;
      }
      .examples div {
        position: absolute;
        text-align: center;
        width: 100%;
        padding-top: 10px;
        font-size: 20px;
      }
      .examples a {
        color: #ccc;
        text-decoration: none;
        padding: 0 10px;
      }
      .examples a:hover {
        color: #fff;
      }
    