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