Element block pseudo-element :after generated with border 0px rgba(0,0,0,1) solid margin 0px width 300px font-weight bold box-sizing content-box float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default transition transform position static height auto background line-height 1 overflow hidden padding 20px font-size 16px z-index auto border-radius