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