Element block pseudo-element :before generated with margin auto z-index auto padding 0px width auto outline none float none font-size 100% cursor default transition font-weight normal overflow visible display block border-radius status background box-shadow 20px 17px 27px rgba(0,0,0,0.15) line-height normal border 40px rgba(0,0,0,0) solid height 0px box-sizing content-box position relative transform opacity 1 text-shadow