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