Standardize font sizes

pages/_app.css

@@ -68,18 +68,41 @@ body {
   margin: 0;
 }
 
-h1,
-h2 {
+
+/* Major section headings (e.g. About the Programs) */
+h1 {
+  font-size: calc(60rem / 16);
   color: var(--primary-heading);
 }
 
-h3,
-h4,
+/* Page titles (e.g. Demographics) */
+h2 {
+  font-size: calc(70rem / 16);
+  color: var(--primary-accent-lighter);
+}
+
+/* Minor section headings & questions (e.g. What Program Are You In?) */
+h3 {
+  font-size: calc(45rem / 16);
+  color: var(--secondary-heading);
+}
+
+/* Titles within paragraphs (e.g. About the Programs -> Computer Science)*/
+h4 {
+  font-size: calc(30rem / 16);
+  color: var(--secondary-heading);
+}
+
 h5,
 h6 {
   color: var(--secondary-heading);
 }
 
+p {
+  font-size: calc(28rem / 16);
+  color: var(--primary-text)
+}
+
 a {
   color: var(--link);
   text-decoration: none;