body {
  background-color:white;
}
#welcolmeImg{
  margin-left: auto;
  margin-right: auto;
  width:700px;
  z-index:10;
  border:0;
}

#welcolmeMessage{
 top:20px;
 margin-right:auto;
 margin-left:auto;
 color:#6078BF;
 font: 25px Arial, sans-serif;
 font-size:3em;
 letter-spacing: 0.2em; 
 z-index:20;
 padding:0.3em;
 text-align:center;
}


/*
 * Style des TIPS de mootools :
 */
.tool-tip {
  color: #abc;
  width: 139px;
  z-index: 13000;
}
 
.tool-title {
  font-weight: bold;
  font-size: 11px;
  margin: 0;
  color: #9FD4FF;
  padding: 8px 8px 4px;
  background: url("./img/bubble.png") top left;
}
 
.tool-text {
  font-size: 11px;
  padding: 4px 8px 8px;
  background: url("./img/bubble.png") bottom right;
}