If sidebar_bg_color is not explicitly set in the site's params, the mailto envelope icon is just a white rectangle. This should likely default to the same #202020 as used in the CSS. Alternatively, this could be hardcoded like every other social icon's stroke color.
stroke="{{ .Site.Params.sidebar_bg_color }}"
If sidebar_bg_color is not explicitly set in the site's params, the mailto envelope icon is just a white rectangle. This should likely default to the same #202020 as used in the CSS. Alternatively, this could be hardcoded like every other social icon's stroke color.