A:Link, A:Visited, A:Hover {text-decoration: none;}

A:Visited {color:#fff;}

<div style="position: fixed; background: none; border: 0px solid #ffcc00; width: 100px; z-index: 100; bottom: 700px;">
<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=AJ3JLKWPH88GE">
<img src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif" /></a></div>