html[data-theme="high-contrast"] #leftbar-wrapper {
    --leftbar-color-background: var(--color-elevated-background);
    --leftbar-color-text: var(--color-elevated-text);
    --leftbar-color-border: var(--color-elevated-border);
    --leftbar-border-width: 2px;
    --leftbar-box-shadow: none;
}