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