YUI recommends YUI 3.

YUI 2 has been deprecated since 2011. This site acts as an archive for files and documentation.

Using StyleSheet to create a page theme

In this example, we'll change some colors in this page's color theme. Enter any valid CSS color value into the inputs and submit the changes to see them applied to the page.

Example values: #123456 or #123 or rgb(0,10,30) or red

Headings and labels

h1,h2,h3,h4,h5,h6,
#demo label {
    color: #e76300;
}

Demo background

.example .promo {
    background-color: #89d;
}

Left nav highlight

#toc ul li.active,
#toc ul li a:hover {
    background-color: #f82;
}