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