ul.sections {
  list-style: none;
  margin: 0 0 10px;
  float: right;
}
ul.sections li a {
  display: block;
  width: 16px;
  height: 11px;
  background: URL('images/flags.gif') no-repeat left center;
}
ul.sections .flag_en-US { background-position: right center; }