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