ul.column-list {
    -moz-column-count: 2;
    -moz-column-gap: 2.5em;
    -webkit-column-count: 2;
    -webkit-column-gap: 2.5em;
     column-count: 2;
     column-gap: 2.5em;
}

.required {
    font-weight:bold;   
}
.hide-element {
    border: 0;
    clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
    clip; rect(1px, 1px, 1px, 1px);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px; 
}