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