body {
    background-color: #666666;
    color: #222;
    font-size: 16px;
    font-family: "Open Sans", "Helvetica", "Arial", "Sans";
    line-height: 1.5rem;
}
header h1 {
    font-size: 1.9rem;
    margin: 0;
    margin-top: 3rem;
}
footer img {
    margin-top: 3rem;
}
h1 {font-size: 1.5rem;}
h2 {font-size: 1.2rem;}
h1, h2, h3 {margin-top: 1.5rem;}
#wrapper {
    margin: 0px auto;
    padding: 0.8rem 1.6rem;
    width: 65%;
    background-color: #fff; 
    box-sizing: border-box;
}
@media only screen and (max-width: 600px) {
  #wrapper {
    margin: 0px;
    width: 100%;
  }
}
.footnotes li:target {
    background-color: #d1d2d3;
}
code{white-space: pre-wrap;}
span.smallcaps{font-variant: small-caps;}
span.underline{text-decoration: underline;}
div.column{display: inline-block; vertical-align: top; width: 50%;}
div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}