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