* {
    margin: 0;
    padding: 0;
    }

body{
      font-family: sans-serif;
      font-size: 90%;
      padding-top: 50px;
      }

#pict { 
        margin: auto;
        width: 900px;
        height: 450px;
        list-style-type: none;
        }

#olivier {
           float: left;
           margin-top: 25px;
           margin-left: 25px;
           width: 400px;
           height: 400px;
           }

#olivier a {
             display: block;
             background: url(images/O.jpg) no-repeat;
             width: 400px;
             height: 400px;
             }

#olivier a span {
                  display: none;
                  }

#olivier a:hover {
             background: url(images/O.jpg) no-repeat 0 -400px;
             }

#mathieu {
           float: right;
           margin-top: 25px;
           margin-right: 25px;
           width: 400px;
           height: 400px;
           }

#mathieu a {
             display: block;
             background: url(images/M.jpg) no-repeat;
             width: 400px;
             height: 400px;
             }

#mathieu a span {
                  display: none;
                  }

#mathieu a:hover {
             background: url(images/M.jpg) no-repeat 0 -400px;
             }

#menu { 
        margin: auto;
        margin-top: 25px;
        width: 206px;
        height: 29px;
        font-size: 80%;
        line-height: 25px;
        list-style-type: none;
        text-align: center;
        text-transform: uppercase;
        font-weight: bold;
        }

#admin { 
         float: left;
         width: 100px;
         height: 25px;
         text-decoration: none;
         color: black;
         border: 2px solid;
         border-color: black;
         background: #ffdb84;
         }

#admin:hover {
               background: #990000;
               color: white;
               }

#webmail { 
           float: right;
           width: 100px;
           height: 25px;
           text-decoration: none;
           color: black;
           border: 2px solid;
           border-color: black;
           background: #ffdb84;
           }

#webmail:hover {
                 background: #990000;
                 color: white;
                 }