Element block pseudo-class :active generated with background z-index auto height auto box-sizing content-box font-size 16px padding 20px width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px float none border 0px rgba(0,0,0,1) solid border-radius position static font-weight normal transform cursor default line-height 1 overflow hidden