chromium/src/third_party/blink/web_tests/http/tests/devtools/changes/resources/before.css

.will-be-deleted-but-will-show-modified-because-first-line {
    width: 10px;
    height: 10px;
}

.stays-the-same {
    font-size: 10px;
    font-family: sans-serif;
}

.will-be-modified {
    height: 100000%;
}

.stays-the-same2 {
    font-size: 10px;
    font-family: Arial, Helvetica, sans-serif;
}

.stays-the-same3 {
    font-size: 15px;
    font-family: Arial, Helvetica, sans-serif;
}

.will-lose-properties {
    background: #000;
    background: #400;
    background: #800;
    background: #B00;
    background: #F00;
}