Edit in JSFiddle

body {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 128px;
    height: 128px;
    margin: -64px 0 0 -64px;
}

div {
    display: inline-block;
    width: 62px;
    height: 62px;
}

div:nth-child(1),
div:nth-child(3) {
    margin-right: 4px;
}

div:nth-child(1) {
    background-color: #F25022;
}
div:nth-child(2) {
    background-color: #7FBA00;
}
div:nth-child(3) {
    background-color: #01A4EF;
}
div:nth-child(4) {
    background-color: #FFB901;
}