  html {
    overflow: hidden;
  }
  body {
    overflow: hidden;
    background-color: #FFFFFF;
    color: #a52;
    font-size: 11px;
    font-family: Verdana, Arial, SunSans-Regular, Sans-Serif;
    margin: 10px;
    background-image: url(/puzzle/img/puzzle.jpg);
    text-align: center;
  }
  
  div#page {
    width: 800px;
    height: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
  }
  
  div#page div#logo {
    width: 44px;
    height: 600px;
    overflow: hidden;
    position: absolute;
    top: 0px;
    right: -46px;
    background-color: #FFFFFF;
  }
  
  div#titolo {
    width: 800px;
    height: 30px;
    line-height: 30px;
    font-family: Comic Sans MS, Verdana, Georgia, Arial, Trebuchet MS, Courier, Times New Roman;
    font-size: 1.8em;
    font-weight: bold;
    color: #000000;
  }
  
  div#tabs {
    width: 800px;
    height: 30px;
    float: none;
    cursor: pointer;
    background-color: #FFFFFF;
  }
  
  div#tab_istruzioni {
    width: 260px;
    height: 30px;
    float: left;
    position: relative;
    background-color: #FF9600;
    background-position: top left;
    background-image: url(/puzzle/img/tab_reverse2.png);
    background-repeat: no-repeat;
    filter:alpha(opacity=50);-moz-opacity:.50;opacity:.50;
  }
  
  div#tab_gioca {
    width: 260px;
    height: 30px;
    float: left;
    margin-left: 8px;
    position: relative;
    background-color: #FF0000;
    background-position: top left;
    background-image: url(/puzzle/img/tab_reverse2.png);
    background-repeat: no-repeat;
    filter:alpha(opacity=50);-moz-opacity:.50;opacity:.50;
  }
  
  div#tab_scuole {
    width: 260px;
    height: 30px;
    float: right;
    position: relative;
    background-color: #FD6C4A;
    background-position: top left;
    background-image: url(/puzzle/img/tab_reverse2.png);
    background-repeat: no-repeat;
    filter:alpha(opacity=50);-moz-opacity:.50;opacity:.50;
  }
  
  img.tab {
    position: absolute;
    bottom: 0px;
    left: 0px;
  }
  
  div.tabtitle {
    width: 200px;
    height: 24px;
    position: absolute;
    bottom: 0px;
    left: 10px;
    font-family: Comic Sans MS, Verdana, Georgia, Arial, Trebuchet MS, Courier, Times New Roman;
    font-size: 1.4em;
    font-weight: bold;
    color: #FFFFFF;
  }
  
  div#corpo_start {
    width: 800px;
    height: 538px;
    border-left: 1px solid #FF9600;
    border-right: 1px solid #FF0000;
    border-bottom: 1px solid #FD6C4A;
    background-color: #FFFFFF;
  }
  
  div#corpo_istruzioni {
    width: 800px;
    height: 540px;
    display: none;
    background-color: #FF9600;
    position: relative;
  }
  
  div#content_istruzioni {
    width: 794px;
    height: 534px;
    position: absolute;
    left: 3px;
    top: 3px;
    background-color: #FFFFFF;
  }
 
  div#testo_istruzioni {
    width: 794px;
    height: 534px;
    text-align: justify;
    overflow-y: auto;
  }
 
  p.testo {
    text-align: justify;
    width: 770px;
    margin-left: 5px;
    margin-top: 5px;
    font-family: Comic Sans MS, Verdana, Georgia, Arial, Trebuchet MS, Courier, Times New Roman;
    font-size: 1.0em;
    color: #05079F;
  }
  
  div#corpo_gioca {
    width: 800px;
    height: 540px;
    display: none;
    background-color: #FF0000;
    position: relative
  }
  
  div#content_gioca {
    width: 794px;
    height: 534px;
    position: absolute;
    left: 3px;
    top: 3px;
    background-color: #FFFFFF;
  }
  
  div#corpo_scuole {
    width: 800px;
    height: 540px;
    display: none;
    background-color: #FD6C4A;
    position: relative
  }
  
  div#content_scuole {
    width: 794px;
    height: 534px;
    position: absolute;
    left: 3px;
    top: 3px;
    background-color: #FFFFFF;
  }
  
  div#accesso_gestione {
    width: 794px;
    background-color: #FFFFFF;
    font-family: Verdana;
    font-size: 1.2em;
    color: #000000;
    font-weight: bold;
  }