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