How to give a div oval shape?

Question

I tried a lot on oval shape which have cut in both sides but not able to do it please <

Answer 1

Try this:

#oval-shape {
    width: 200px;
    height: 100px;
    background: blue;
    -moz-border-radius: 100px / 50px;
    -webkit-border-radius: 100px / 50px;
    border-radius: 100px / 50px;
}

Notice the ratios in the corner values in relation to the height.

Demo - http://jsfiddle.net/XDLVx/