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