body {
    font-family: "Segoe UI", "Helvetica", "Arial", San-serif;
    font-size: 18px;
    background-color: #ffffff;
    margin: 0;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.foglio {
    align-items: center;
    align-content: top;
    background-color: transparent;
    width: 100%;
    vertical-align: text-top;
}

.main {
    align-items: center;
    align-content: center;
    background-color: gainsboro;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.image {
    float: left;
    display: inline;
    clear: both;
}


.cella_cx {
    vertical-align: top;
    text-align: top;
    align-items: top;
    align-content: top;
    background-color: white;
    width: 100%;
}

.cella_rx {
    text-align: right;
    background-color: transparent;
    width: 100%;
    vertical-align: text-top;
}

.cella_sx {
    text-align: left;
    background-color: transparent;
    width: 100%;
    vertical-align: text-top;
}

.testo {
    clear: both;
    font: normal normal 700 14px normal Arial;
    color: blue;
    text-decoration: none;
    background-color:azure;
    text-align: center;
}

.testo_sinistra {
    clear: both;
    font: normal normal 700 14px normal Arial;
    color: black;
    background-color: white;
    text-align: left;
    }

.td_bordi {
    border-width: 2px 3px 2px 3px;
    border-style: solid;
    border-color: black red white red;
}

.td_bordi2 {
    border-width: 2px 3px 2px 3px;
    border-style: solid;
    border-color: white red black red;
}

.td_bordi3 {
    border-width: 2px 3px 2px 3px;
    border-style: solid;
    border-color: red black red black;
}

.td_bordi4 {
    border-width: 2px 3px 2px 3px;
    border-style: solid;
    border-color: black red black red;
}

h1 {
    clear: both;
    font: normal 24px Arial;
    color: blue;
    height: 30px;
    text-decoration: none;
    background-color: transparent;
    text-align: center;
}

h2 {
    clear: both;
    font: normal 18px Arial;
    color: blue;
    height: 18px;
    text-decoration: none;
    background-color: transparent;
    text-align: center;
}

h3 {
    clear: both;
    font: normal 10px Arial;
    color: red;
    height: 22px;
    text-decoration: none;
    background-color: transparent;
    text-align: center;
    margin-top: 0;
}

/* unvisited link */
  a:link {
      color: blue;
  }
  
  /* visited link */
  a:visited {
      color:blue;
  }



.centrale {
    clear: both;
    font: normal 12px Arial;
    vertical-align: top;
    align-items: top;
    align-content: top;
    background-color: white;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.button1 {
    outline: none;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    font: bold 12px Arial, Helvetica, sans-serif;
    color: #000000;
    padding: 3px 8px;
    border: solid 1px #DDDDDD;
    background: #DDDDDD;
    -moz-border-radius: 6px;
    -webkit-border-radius: 6px;
    border-radius: 6px;
    -moz-box-shadow: 0 1px 3px rgba(0,0,0,0.5);
    -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.5);
    box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

    .button1:hover {
        background: #D2D2D2;
        background: -webkit-gradient(linear, left top, left bottom, from(#DDDDDD), to(#B2B2B2));
        background: -webkit-linear-gradient(top, #DDDDDD, #B2B2B2);
        background: -moz-linear-gradient(top, #DDDDDD, #B2B2B2);
        background: -ms-linear-gradient(top, #DDDDDD, #B2B2B2);
        background: -o-linear-gradient(top, #DDDDDD, #B2B2B2);
        background: linear-gradient(top, #DDDDDD, #B2B2B2);
    }

    .button1:active {
        position: relative;
        top: 1px;
    }