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