diff --git a/src/main.css b/src/main.css
index 75a0e91..b78685e 100644
--- a/src/main.css
+++ b/src/main.css
@@ -66,3 +66,35 @@ h6 {
 	text-wrap: pretty;
 	text-wrap: balance;
 }
+
+h1 {
+	font-size: 2em;
+
+	@container (max-width: 450px) {
+		font-size: 1.6em;
+	}
+}
+
+h2 {
+	font-size: 1.5em;
+
+	@container (max-width: 450px) {
+		font-size: 1.3em;
+	}
+}
+
+h3 {
+	font-size: 1.17em;
+
+	@container (max-width: 450px) {
+		font-size: 1.1em;
+	}
+}
+
+h4 {
+	font-size: 1.17em;
+
+	@container (max-width: 450px) {
+		font-size: 1.05em;
+	}
+}