add style for basic content text

Author: fanixus96

scaladoc/resources/dotty_res/styles/theme/components/table-of-content.css

@@ -45,7 +45,7 @@
   margin-bottom: calc(2 * var(--base-spacing));
 }
 
-.toc-nav a{
+#content .toc-nav a {
   color: var(--action-primary-content-default);
   text-decoration: none;
 }

scaladoc/resources/dotty_res/styles/theme/layout/content.css

@@ -60,8 +60,26 @@
   }
 }
 
-#content h1 {
+/* content headers */
+
+#content h1, #content h2 {
+  color: var(--text-primary);
+}
+
+/* content paragraph */
+#content p {
+  color: var(--text-secondary);
+}
+
+/* content list */
+#content li {
+  color: var(--text-primary);
+}
+
+/* content link */
+#content a {
   color: var(--text-primary);
+  text-decoration: underline;
 }
 
 .breadcrumbs {