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