.cabecalho-desktop{position:fixed;top:0;width:100%;z-index:999;background-color:transparent;transition:background-color 0.3s ease}.cabecalho-desktop.scrolled{background-color:rgba(0,27,76,.8);transition:background-color 0.3s ease}.cabecalho-mobile{position:fixed;top:0;width:100%;z-index:999;background-color:transparent;transition:background-color 0.3s ease}.cabecalho-mobile.scrolled{background-color:rgba(0,27,76,.8)}@media (min-width:768px){.cabecalho-mobile{display:none}}@media (max-width:767px){.cabecalho-desktop{display:none}}