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