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