d2l.css

@-moz-document  url-prefix("https://d2l.pdx.edu/d2l/home") {

:root {
--d2l-tabs-background-color: #262626 !important;
  
}

.d2l-navigation-s {
    background-color: #131313 !important;
}


.d2l-tiles-container {
    background-color: #131313 !important;
}

d2l-branding-navigation-background-color {
    background-color: #131313 !important;
}

.d2l-tiles-container {
    background-color: #262626 !important;
}

.d2l-tile {
    background-color: #131313 !important;
}

.daylight .d2l-msg-container {
    background-color: #262626 !important;
    border: none !important;
}

d2l-typography {
    color: #efefef !important;
}

.d2l-branding-navigation-dark-foreground-color a.d2l-navigation-s-link, .d2l-branding-navigation-dark-foreground-color a.d2l-navigation-s-link:link, .d2l-branding-navigation-dark-foreground-color a.d2l-navigation-s-link:visited, .d2l-branding-navigation-dark-foreground-color div.d2l-navigation-s-item > span {
    color: #efefef !important;
}

}