@charset "UTF-8";
/*reset style*/
*{
 margin : 0;
 padding : 0;
}

div.sample{
    position:relative;
    width:622px;
    height:468px;
}
span.guard{
    position:absolute;
    display:block;
    width:100%;
    height:100%;
    background-image:url(../images/spacer.gif);
}