As of Evergreen 3.5 it supports an org unit setting for adding CSS directly to the OPAC. This page will act as a repository for community members to share CSS code for customizing the OPAC.

#header-wrap {
    background-color: #ced42c;
    background-image: none;
}

Turns the color of the background above the link bar a dark yellow.

#gold-links-holder {
    background-color: #ced42c;
}

Turns the color of the background of the links bar a dark yellow.

body {
    background-color: #ced42c;
}
#footer-wrap {
    background-color: #ced42c;
    background-image: none;
}

Turns the background of the footer and the page that continues past it a dark yellow.

#footer a {
    color: #ced42c;
    text-shadow: none;
}

Changes links on the bottom of the front page to a dark yellow.

#copyright_text, #footer_logo {
    color: #ced42c;
}