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