#mainContent { background: #0a0a0a; }
    #PortalPagina { width: 100%; background: #0e0f0f; color: white; position: relative; z-index: 0; }
    #PortalPagina img { width: 100%; }
    #PortalPagina h1 { font-size: 30px; } 
    #PortalPagina h2 { font-size: 40px; line-height: 40px; }
    #PortalPagina p { font-size: 16px; line-height: 24px; }
    #PortalPagina a { color: #ba39a6; }
    
    /* Vlakverdeling */
    .SeoTekstvlak { align-self: center; }
    
    /* Content */
    #PortalPagina header .OmslagFoto { background: #FFFFFF url(/download/b2c_nl/pic/themapagina/donkere-dagen/2019/header.png); background-size: cover; padding: 160px 20px; text-align: center; }
    #PortalPagina header .OmslagFoto h1 { color: white; font-size: 60px; filter: drop-shadow(2px 4px 6px black); }
    
    #EnergieBesparen { background: #262626; }
    #EnergieBesparen .row:nth-child(even) { flex-direction: row-reverse; }
    
    #Beveiliging { background: #262626; }
    #Beveiliging .row:nth-child(even) { flex-direction: row-reverse; }
    
    #ASUS { background: #efebe2; }
#ASUS .SeoTekstvlak { color: black; }
    
    #footerheading { color: white; }
    
    @media screen and (max-width: 667px) { /* Mobile */
        #PortalPagina h1 { font-size: 25px; }
        #PortalPagina h2 { font-size: 30px; }
        #PortalPagina p { font-size: 14px; line-height: 23px;}
        #PortalPagina header .OmslagFoto { padding: 47px 33px; background-position: center; }
        #PortalPagina header .OmslagFoto h1 { font-size: 40px; }
    }

    @media screen and (min-width: 768px) and (max-width: 1032px) { /* Tablet */
    }