body{
font-family: 'Trebuchet MS';
font-size:0.8em;
margin:10px 0px 0px 0px;
}

fieldset{
width:50%;
}

.erreur{
background-image:url(erreur.png);
background-repeat:no-repeat;
padding-left:35px;
padding-top:5px;
padding-bottom:20px;
color:red;
font-weight:bolder;
text-align:left;
}