Black "X"/Cross logic icon.
<ul><li><a href="//commons.wikimedia.org/wiki/File:X_mark.svg" title="File:X mark.svg">File:X mark.svg</a> by <a href="//commons.wikimedia.org/wiki/User:Gmaxwell" title="User:Gmaxwell">User:Gmaxwell</a></li>
<li>This derivative by <a href="//commons.wikimedia.org/wiki/User:Howcheng" title="User:Howcheng">User:Howcheng</a></li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:X_mark.svg" title="File:X mark.svg">File:X mark.svg</a></li>
<li><span class="int-own-work" lang="en">Own work</span></li></ul>