#affichepieces {
width : 420px;
height : 60px;
overflow : scroll; /**/
border : 1px solid #CCCCCC;
}
#submit {
    border: 1px #000 solid; cursor: pointer; padding: 1px;  background-color: #eeeeee; width: auto;
}
#submit:hover {
    border: 1px red solid
}
.alerte {
    font-weight: normal;
    font-size: 14px;
    color : red;
    text-align : center;
}
.focus {
    background: #ffff00;
    border : 1px solid red;
}
.cadre {
width : 500px;
/*border : 1px solid red; /**/
}
#pieces{
text-align : left;
}