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