Element block pseudo-element :before generated with margin -10px width auto transform height auto background padding 20px box-sizing content-box font-weight bold box-shadow 2px 2px 2px rgba(0,0,0,0.2) border 1px #b7b7b7 solid line-height normal float none position static border-radius cursor default display inline-block z-index auto text-shadow overflow visible transition font-size 16px