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