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