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