.shadow-one {
    position: absolute;
    padding-top: 12px;
    padding-left: 12px;
    }

.corner-a {
    position: absolute;
    right: 0;
    top: 0;
    width: 12px;
    height: 12px;
    background: url(images/shadow.png) right top no-repeat;
    }

.corner-b {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 12px;
    height: 12px;
    background: url(images/shadow.png) left bottom no-repeat;
    }

.shadow-two {
    background: url(images/shadow.png) right bottom no-repeat;
    }

.shadow-three {
    position: relative;
    left: -12px;
    top: -12px;
    background: url(images/shadow.png) left top no-repeat;
    }

.shadow-four {
    position: relative;
    left: 5px;
    top: 5px;
    }