pseudo-first-line-border-width.html

<!DOCTYPE HTML>
<html>
<head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <style>
        body {
            font-family: Ahem;
        }
        p {
            font-size: 100px;
        }
        p:first-line {
            font-size: 10px;
        }
        span {
            border-left: solid 1em green;
        }
    </style>
</head>
    <body>
        <div>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=79526">https://bugs.webkit.org/show_bug.cgi?id=79526</a></div>
        <p>A green 10px border on the left of <span>this,<br>
        is a pass.</span></p>
    </body>
</html>

chromium/third_party/blink/web_tests/fast/css/pseudo-first-line-border-width.html