body {
    background: black;
    color: white;
    font: normal 20px/26px Arial, Helvetica, sans-serif;
}
h1, h2, h3 {
    line-height: 1.5em;
}
article h2, article h3 {
    margin-top: 0;
}
main {
    max-width: 800px;
    margin: 30px auto 0;
    text-align: center;
}
article {
    border: 1px solid white;
    padding: 20px;
    text-align: left;
    margin: 10px;
    float: left;
    width: calc(50% - 62px);
    height: 200px;
}

a, a:link {
    color: #fff;
}

code { 
	padding: 15px;
	font-family: monospace;
	font: normal 15px/18px
}

nav {
    font-size: .8em;
    max-width: 800px;
    margin: 30px auto 0;
    text-align: right;
}

footer {
    opacity: .8;
    clear: both;
	text-align: center;
}

a.imprint {
    color: #111;
    text-decoration: none;
}

a.nothing {
    color: #000;
    text-decoration: none;
}

@media all and (max-width: 760px) {
    article {
        border: 1px solid white;
        padding: 20px;
        text-align: left;
        margin: 10px;
        float: none;
        width: auto;
        height: auto;
    }
}