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