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