And this is what Arc Darker looks like: <a href="https://color.firefox.com/?theme=XQAAAALiAAAAAAAAAABBKYhm849SCiazH1KEGccwS-xNVAVRifd7XT-7SSPPHBuOhAOquuyLjlwgdA3uY0iZNDXHWWPCtRSN_fQns1jFxOGSk-E9RA9Qs88bE_s_no03b70YnTFpXujs5GzrQvD9QW9PNwAXaqpQRtKbITQJusj-YEKXCKWX4WO6V5pbRYRjlU0P9TY4xVLeua1Fv5oBq3HwVBYBzvWMUIRKv2dIWNhmFSf_6PYYAA" rel="nofollow">https://color.firefox.com/?theme=XQAAAALiAAAAAAAAAABBKYhm849...</a>