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