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