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