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