Element block pseudo-element :before generated with margin auto background font-weight normal padding 20px box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px overflow hidden cursor default z-index auto width 600px box-sizing content-box border 0px rgba(0,0,0,1) solid float none border-radius position static line-height 1 display block transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto transform