body {
    color: #444;
    margin: 0;
    padding: 0;
    font-size: 100%;
    line-height: 1.6em;
    font-family: 'roboto', Arial, sans-serif;
    background-color:#ECF0F1;
}
.wrapper {
    width: 95%;
    margin: 0 auto;
    max-width: 960px;
}
header, footer {
    background-color: #2196F3;
    height: 60px;

    color: white;
    line-height: 60px;
    box-shadow: 0px 0px 5px 3px rgba(0, 0, 0, 0.5);
}
header {
    position: fixed;
    width: 100%;
}
footer {

}
h1, h2, h3, h4, h5, h6 {
    color: inherit;
}
h1 {
    font-size: 1.8em;
    display: inline-block;
    width: auto;
}
h2 {
    font-size: 1.4em;
    font-weight: bold;
    margin-bottom: 1em;
}
h3 {
    font-size: 1.1em;
    font-weight: bold;
    margin-bottom: .6em;
}
nav {
    display: inline-block;
    width: auto;
    float: right;
}
nav > ul > li {
    display: inline-block;
    margin-left: 1em;
}
article {
    padding-top: 5em;
}
#content, article {
}
a {
    color: inherit;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
pre {
    font-family: 'lucida console',courier, monospace;
    padding: 1em;
    background-color: aliceblue;
}
p, pre {
    margin-bottom: 2em;
}