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