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