.group > div {
    display: inline-block;
    overflow: hidden;
    width: 100px;
    height: 100px;
    margin: 2px 10px;
    border: 1px solid black;
    background-color: gray;
}

.group img, .group canvas, .group video {
    height: 100%; width: 100%;
    display: block;
}
.group > *:nth-child(1) * { }
.group > *:nth-child(2) * { margin-left: 20px; margin-top: 10px; }
.group > *:nth-child(3) * { }
.group > *:nth-child(4) * { margin-left: -10px; margin-top: -10px; }
.group > *:nth-child(5) * { }