<img alt="" border="0" height="40" src="image.php?u=$bbuserinfo[userid]" style="margin-top: 0px;" title="" width="40">

<img alt="" border="0" height="40" src="image.php?u=$bbuserinfo[userid]" style="margin-top: 0px;border-radius: 50px;" title="" width="40">

#login-cp .thumb {

border-radius: 50px;