hugo-tufte/assets/scss/syntax/highlight-light.scss

$ht-code-bgcolor: #dde2ff;

@import "syntax-light.scss";

.highlight {
    &::-webkit-scrollbar {
        background: $ht-code-bgcolor;
    }
    &::-webkit-scrollbar-thumb {
        background: scale-color($ht-code-bgcolor, $lightness: -13%, $saturation: -80%);
    }
}