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