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