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