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