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