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