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