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