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