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