custom-dark.scss

/*-- scss:defaults --*/
$gray-800: #444 !default;
$gray-900: #222 !default;
$white: #fff !default;

$body-bg: $gray-900 !default;
$body-color: $white !default;

// code
$code-color: $gray-800 !default;
$pre-color: inherit !default;

/*-- scss:rules --*/

@include color-mode(dark) {}

// source code
pre.sourceCode {
    background-color: #444;
}

.code-copy-button:hover {
    & .bi::before {
        background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="#{colorToRGBA($syndemics-pink)}" viewBox="0 0 16 16"><path d="M4 1.5H3a2 2 0 0 0-2 2V14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V3.5a2 2 0 0 0-2-2h-1v1h1a1 1 0 0 1 1 1V14a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V3.5a1 1 0 0 1 1-1h1v-1z"/><path d="M9.5 1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-3a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h3zm-3-1A1.5 1.5 0 0 0 5 1.5v1A1.5 1.5 0 0 0 6.5 4h3A1.5 1.5 0 0 0 11 2.5v-1A1.5 1.5 0 0 0 9.5 0h-3z"/></svg>') !important;
    }
}