Element block pseudo-class :active generated with margin 0px display block line-height 1 width 160px box-shadow 4px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-sizing content-box font-size 16px padding 20px position static border 0px rgba(0,0,0,1) solid font-weight normal z-index auto transform float none cursor default overflow hidden border-radius height auto background transition