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