.hidden
{
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.accessibilityHeading
{
    position:absolute;
    left:-9999px;
}

/*
    Fix for IE8 width for drop downlist in B2G Mailbox
    Side-effects: Makes firefox users have to click to select 
    the drop down then click again for the drop down to appear

    Still investigating.
*/
.focusClass:focus 
{
    width:auto !important;
    position: absolute;
}