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