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