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