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