How can you hide the arrow that is displayed by default on the HTML5 element in Chrome?

I didn’t plan to answer my own question but I have the solution. Source: http://trac.webkit.org/timeline?from=2011-04-15T16%3A33%3A41-0700&precision=second More about the recommendation for the disclosure widget: http://mail-archive.com/[email protected]/msg26129.html Code details summary::-webkit-details-marker { display:none; } Note that the disclosure widget will still be displayed if you don’t provide a summary element, which is allowed by the spec.