css “background-image” shows unwanted border, img “src” does not

Question

Getting started with Twitter Bootstrap, I ran into a strange problem of which I can\'t figure out the cause.

When I render an image using:

Answer 1

Just add this, hope it'll work well

#logo {
    background-image: url(/Content/Images/logo.png);
    border-radius:0px;
    border:0px;
}