Element block pseudo-element :after generated with z-index auto padding 20px opacity 1.00 display block float none box-sizing content-box line-height 1 width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius transition height auto font-size 16px background margin 0px overflow hidden border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.37) position static font-weight normal transform cursor default