:root {
    --dark: #575757; /* dark gray */
}

div.brand_header > .cengage {
    background: transparent url(img/Cengage_Logo_White.svg) no-repeat 20px 1px;
    background-size: auto 37px;
}

div.brand_header > .cnow {
    background: transparent url(img/cengage-cnowv2-horizontal-digital-white.svg) no-repeat 0px; 
    background-size: 300px 55px;
}

div.brand_header > .infuse {
    background: transparent url(img/cengage-infuse-horizontal-digital-white.svg) no-repeat -30px; 
    background-size: 300px 55px;
}

div.brand_header > .mindtap {
    background: transparent url(img/cengage-mindtap-horizontal-digital-white.svg) no-repeat 0px; 
    background-size: 300px 55px;
}

div.brand_header > .nglsync {
    background: transparent url(img/cengage-nglsync-logo-white.png) no-repeat 20px -5px;
    background-size: auto 45px;
}

div.brand_header > .owl {
    background: transparent url(img/cengage-owlv2-horizontal-digital-white.svg) no-repeat 0px; 
    background-size: 300px 55px;
}

div.brand_header > .pathbrite {
    background: transparent url(img/cengage-pathbrite-horizontal-digital-white.svg) no-repeat 0px; 
    background-size: 300px 55px;
}

div.brand_header > .sam {
    background: transparent url(img/cengage-sam-horizontal-digital-white.svg) no-repeat 10px -7px;
    background-size: 225px 55px;
}

div.brand_header > .webassign {
    background: transparent url(img/cengage-webassign-horizontal-digital-white.svg) no-repeat 0px;
    background-size: 320px 55px;
}