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