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