doc/static/custom.css
body {
font-family: "Helvetica", sans-serif;
letter-spacing: 0.02em;
line-height: 23px;
}
input,
button,
select,
textarea {
font-family: "Helvetica", sans-serif;
}
h1, h2 {
clear: left;
}
h1 {
font-size: 28px;
line-height: 36px;
}
h2 {
font-size: 22px;
line-height: 30px;
}