{"type":"rich","version":"1.0","title":"Ratio of a : b : c = 1 : ϕ : ϕ ²","html":"<iframe src=\"https://www.desmos.com/calculator/ddgqthdwwx?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}