style.css

img {
    max-width: 100%;
}

div#collab_imgs {
    -moz-column-count: 3;
    -webkit-column-count: 3;
    column-count: 3;
}

section#sponsors {
    max-width: 1000px;
    margin: auto;
}

section#sponsors img {
    float: left;
    height: 4em;
}

section#sponsors p {
    padding-top: 1.5em;
}

div.pure-menu-horizontal {
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1;
    background: lightblue;
}

div.pure-menu-horizontal a {
    color: black;
}

.header {
    margin: auto;
    color: #333;
    text-align: center;
    padding: 2.5em 2em 0;
    border-bottom: 1px solid #eee;
}

section {
    border-bottom: 1px solid #eee;
}

.content {
    margin: 0 auto;
    max-width: 900px;
    padding: 0 4em;
    margin-bottom: 50px;
    line-height: 1.6em;
}

.content p {
    text-indent: 2em;
}

section#collab_list {
    margin: 0 auto;
    padding: 0 4em;
    max-width: 800px;

}

body {
    padding-left: 160px;
    left: 0;
    color: #777;
}

#menu {
    width: 160px;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    background: #191818;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.header h1, .header h2 {
    font-weight: 300;
}

.content h2, .content h3, .content h4{
    color: #888;
    font-weight: 300;
}

h4 {
    margin: 0;
    padding: 0;
}


section#links {
    -moz-column-count: 3;
    -webkit-column-count: 3;
    column-count: 3;
}

section#links figure {
    margin: 0;
    width: 100%;
}

.no_border {
    border-bottom: none;
}

#menu #home-link {
    padding: 1.2em 1em;
    border-bottom: 1px solid;
}

#people ul {
    list-style-type: none;
}

figure {
    display: inline-block;
    border: 1px dotted gray;
    margin: 20px; /* adjust as needed */
}

figure img {
    vertical-align: top;
}