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