style.css

body {
    border: 0;
    background-color: #329256;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

li {
    display: inline-block;
    width: 25%;
}

img {
    max-width: 100%;
    height: auto;
}

figure {
    margin: 1em;
    overflow: hidden;
    background: #fff;
    padding: .5em .5em .75em .5em;
    font-family: 'Lato', sans-serif;
    font-size: 1.125em;

    -webkit-box-shadow: 0 15px 10px rgba(0,0,0,.25);
    -moz-box-shadow: 0 15px 10px rgba(0,0,0,.25);
    box-shadow: 0 15px 10px rgba(0,0,0,.25);

    -webkit-transform: rotate(-2deg);
    -moz-transform: rotate(-2deg);
    transform: rotate(-2deg);
}

li:nth-child(even) figure {
    -webkit-transform: rotate(2deg);
    -moz-transform: rotate(2deg);
    transform: rotate(2deg);
}

li:nth-child(3n) figure {
    -webkit-transform: none;
    -moz-transform: none;
    transform: none;
    position: relative;
    top: -.3125rem;
}

li:nth-child(5n) figure {
    -webkit-transform: rotate(5deg);
    -moz-transform: rotate(5deg);
    transform: rotate(5deg);
    position: relative;
    right: -.3125rem;
}

figcaption {
    padding-top: .25em;
}