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