Topic: Brouser error

i am making a menu for my forum and i have changed the original menu, the code i have is

.pun #brdmenu {
    position: absolute;
    left:250;
    top:231;
    right:252;
}

which causes a error in IE:

http://www.marine-hunters.co.uk/uploaded/menu.GIF

how can i fix it

Sorry. Unactive due to personal life.