body {background-color: #cccccc;
      background-image: url(../images/bg_def.jpg);
      background-size: cover;
      background-repeat: no-repeat;
      font-family: Verdana, Arial, Helvetica, sans-serif;
    }

#cover {
		padding-top: 50px;
		padding-left: 100px;
		padding-right: 100px;
        text-align: center;
      }
  .titolo_principale {font-size: 70px; font-weight: bold; color: #2980b9;}
  .sottotitolo {font-size: 36px; color: #2980b9; max-width: 500px; margin: 0 auto;}
  .button {  background-color: #2ecc71;
             color: #2c3e50;
             padding: 10px 30px;
             display: inline-block;
             border-radius: 30px;
             text-transform: uppercase;
             font-weight: bold;
             font-size: 18px;
          }
  .data {color: #2ecc71; font-weight: bold; font-size: 18px;}
  .cont2{ border-color: #2c3e50;
          border-style: solid;
          box-sizing: 1px;
          border-radius: 15px;
          padding: 50px 100px 100px 100px;
          background-color: #ecf0f1;
          opacity:0.9;
          min-height: 500px;
          }