Center Position (Horizontal) Div with Absolute Position Attribute CSS

Below CSS can be used to center the DIV with absolute positioning.

#DIV_ID/.CLASSNAME {
    position: absolute;
    width:200px;
    right: 0;
    left: 0;
    margin: auto;
    background-color:gray;
}

JS Fiddle (Sample) : http://jsfiddle.net/0k87tzvo/