#menuDeroulant
{
 width: 644px;
 list-style-type: none;
 margin: 0;
 padding: 0;
 border: 0;
}
#menuDeroulant li
{
 float: left;
 margin: 0;
 padding: 0;
 border: 0;
}			



#menuDeroulant .sousMenu
{
 list-style-type: none;
 margin: 0;
 padding: 0;
 border: 0;
}
#menuDeroulant .sousMenu li
{
 float: none;
 margin: 0;
 padding: 0;
 border: 0;
}			


.multiple_select {
  border: 1px solid #aaa;
  height: 100px;
  width: 200px;
  padding: 2px;
  margin: 1em;
  overflow: auto;
}

.multiple_select, .multiple_select ul {
  list-style-type: none;
}

.multiple_select_checkbox {
  background: #fff;
}

.alt {
  background: #eef;
}