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