vbulletin screwing up custom input CSS

[DionDev]

my custom input css is as follows:


.topinput {
background-image: url(images/top_inputbg.gif);
height: 22px;
font-family: verdana;
font-size: 8pt;
color: #8b8b8b;
width: 145px;
border: 1px solid #dddddd;
padding: 3px 0px 3px 9px;
}


2 inputs use this class. the problem is, on my normal site these inputs look the way theyre supposed to, on vbulletin theyre all messed up.

why is this happening?

[snakes1100]

Post pictures and describe what isnt working, we cant guess.