Firefox renders Login button correctly, though oddly, Camino does not, actually truncating the text, so maybe an aqua widget problem. Tested with release Safari and Nightly. Release Safari truncates the text, so the nightly is at least a little better.
The text simply doesn't fit in the button. I think it would be nice if webkit centered the text, and didn't trunkate, at least not before the button became small enough that it couldn't fit the first letter in this way. The code for the button is: <style type="text/css"> .gliHPLOloginbutton {width:3.6em; margin:0px 0px 8px 0px;} </style> <input class="gliHPLOloginbutton" name="submit2" type="submit" value="Login">
This appears to render properly in 2022.