A blue cross icon. Use when warning about inappropriate images.
<a href="//commons.wikimedia.org/wiki/User:Gmaxwell" title="User:Gmaxwell">Gmaxwell</a>
<a href="//commons.wikimedia.org/wiki/File:X_mark.svg" title="File:X mark.svg">X mark.svg</a>: <a href="//commons.wikimedia.org/wiki/File:X_mark.svg" class="image"><img alt="X mark.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/30px-X_mark.svg.png" decoding="async" width="30" height="34" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/45px-X_mark.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/60px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600"></a>