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