tart alt-before end label start alt-after end" data-testname="link name from fallback content mixing attr() and strings with ::before and ::after" class="ex fallback-before-mixed fallback-after-mixed">label</a><br>
<br>

<h1>Empty alternative text for CSS content in pseudo-elements when applied to primitive appearance form controls</h1>
<p><input data-expectedlabel="" data-testname="primitive radio input with ::before containing empty alternative text" class="ex fallback-before-empty" type=radio style=appea