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