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