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