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