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