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