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