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