.test
{
    position: absolute;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;

    display: -moz-inline-stack;
    display: inline-block;

    width: 0;
    width: 100%;
    height: 0;

    color: #000;
    background: #fff;
}
