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