nav, main {
    margin: 0 auto;
    min-height: 100%;
}

main {
    max-width: 960px;
    padding: 20px;
    outline: 1px solid black;
}

footer {
    text-align: center;
    max-width: 960px;
    padding: 10px 20px;
    margin: 0 auto;
}

nav {
    max-width: 1000px;
    text-align: right;
    margin-bottom: 1px;
}

nav a {
    padding: 10px;
    outline: 1px solid black;
    display: inline-block;
    text-decoration: none;
    color: blue;
    margin-left: 1px;
}
nav a:hover {
    color: white;
    background: grey;
}

h1 {
    margin-top: 0;
}


.author {
    font-weight: bold;
}

.date {
    font-style: italic;
}

.post-list {
    margin: 0;
    font-size: 1.4em;
}

.post-list li {
    list-style: none;
}

div.highlight {
    outline: 1px solid black;
    background: white;
    position: relative;
    width: 100%;
    overflow: hidden;
}
pre {
    padding: 10px;
    width: calc(100% - 20px);
    margin: 0;
    overflow-x: auto;
}

pre:after {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    padding: 10px;
    outline: 1px solid black;
    background: white;
}
div:hover > pre:after {
    display: block;
}

.language-scheme pre:after { content: "Scheme"; }
.language-css pre:after { content: "CSS"; }
.language-ruby pre:after { content: "Ruby"; }
.language-irb pre:after { content: "Ruby Console"; }
.language-sh pre:after { content: "Shell"; }

code {
    background: #ddd;
    padding: 0.2em 0.4em;
}


.feed-link {
    line-height: 1em;
    margin-top: 2em;
}
.feed-link img {
    height: 1em;
    vertical-align: sub;
    margin-right: 0.15em;
}