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