.waShading {
    position: absolute;
    left: 0;
    top: 0;
    width: 200%;
    height: 7000px;
    background-color: white;
    filter: alpha(opacity=0);
    -moz-opacity: 0;
    -khtml-opacity: 0;
    opacity: 0;
    -webkit-transition: opacity 700ms;
    -moz-transition: opacity 700ms;
    -ms-transition: opacity 700ms;
    -o-transition: opacity 700ms;
    transition: opacity 700ms
}