how to remove outline of html button

Question

I have button on my html page, when i click on that button it show me outer line to button shown as below image.

Answer 1

Just add display: block;

.resetButton
{
    margin: 0px;
    background:url(../images/button/Reset2.png) no-repeat;
    display: block;
    border: none; 
    width: 90px;
    height: 32px;
    cursor: pointer;
}