Edit in JSFiddle

<div class="test test-1">
</div>
<div class="test test-2">
</div>

.test {
    width: 100px;
    height: 100px;
}

.test-1 {
    -webkit-transform: scale(.9);
    transform: scale(.9);
    /*opacity: 0.9*/
    background: #f20;
}

.test-2 {
    margin-top: -50px;
    background: #000;
}