:root { // base64 -w 0 logo-light.png --logo-light: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABAAQMAAACQp+OdAAAABlBMVEX///8AAABVwtN+AAAAWElEQVQoz43O0RHAMAgCUDZg/y3ZgKJtP8PF/LzkiApcFG3IVgVICB0cqCPH368jMvCffsLuPWMLmOQ+FMBxNqvgXCZ8xixGsSNppWsF33hFaLjD27Xioh5ZH8ftcymlGAAAAABJRU5ErkJggg=="); // base64 -w 0 logo-dark.png --logo-dark: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABAAQMAAACQp+OdAAAABlBMVEX///8AAABVwtN+AAAAXklEQVQoz43SsRHAIAxDUW3g/bfUBoqckDL/AgWvMFgcKGcIYCkjDSJ2JgwvhhFHZ9cn2vDt/oUNvkcS3MpNRuh0ew6iyyYjbDCPGa2+WxL8lCN6vZYy+nBxED/+xgWM9DYk64ncIgAAAABJRU5ErkJggg=="); }