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