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