It's possible to resize textbox elements, however, the parent element has overflow set to hidden, so resizing textboxes produces the following effect:
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Rather easy fix, just use the "resize" attribute on the textbox.
textarea {
resize: none;
}
Or, in the specific case shown above (quick reply on threads):
textarea#message {
resize: none;
}
Not too big of a bug, just fixes the overflow thing. Also gets rid of that pesky little icon in the bottom right.
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