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