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