LayoutTests/fast/canvas/webgl/resources/js-test-style.css

.pass {
    font-weight: bold;
    color: green;
}
.fail {
    font-weight: bold;
    color: red;
}
.warn {
    font-weight: bold;
    color: yellow;
    text-shadow: 1px 1px #ff0000
}
#console {
    white-space: pre-wrap;
    font-family: monospace;
}