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