Mirror/docs/_sass/_bootstrap_customization.scss

.highlighter-rouge {
    background-color: $gray-200;
}

h1 {
    color: maroon;
}

h2 {
    color: darkslateblue
}

a:visited {
    color: purple
}

h1[id]:before, h2[id]:before {
    display: block; 
    content: " "; 
    margin-top: -75px; 
    height: 75px; 
    visibility: hidden; 
}