public void DefaultTo1EmPerfectFourth() { Assert.AreEqual("font-size:1em;", $"font-size:{_helpers.ModularScale(0)};"); Assert.AreEqual("font-size:1.333em;", $"font-size:{_helpers.ModularScale(1)};"); Assert.AreEqual("font-size:1.776889em;", $"font-size:{_helpers.ModularScale(2)};"); }