* Comment box tweaks and SVG dropdown triangles - Change all dropdown triangles to SVG - Bring inline review comment box closer to regular comment boxes - Enhance arc-green checkbox contrast - Minor reaction tweaks - Flexbox the diff file header * remove a border * fix type marker in arc-green * add small code padding * fix position regression and remove useless rules Co-authored-by: Lauris BH <lauris@nix.lv> Co-authored-by: techknowlogick <techknowlogick@gitea.io>