Shrink font a bit.

css/style.scss

@@ -48,14 +48,10 @@ body {
   @include justify-content(flex-start);
 
   h1 {
-    @include adjust-font-size-to(3em, 1);
-  }
-
-  h2 {
     @include adjust-font-size-to(2em, 1);
   }
 
-  h3 {
+  h2 {
     @include adjust-font-size-to(1.5em, 1);
   }
 
@@ -82,7 +78,7 @@ body {
   padding: $text-pad;
 
   h1 {
-    @include adjust-font-size-to(5em,1);
+    @include adjust-font-size-to(4em);
     color: white;
   }
 }
@@ -132,7 +128,7 @@ body {
   // @include flex(1 1);
   padding: $text-pad;
 
-  h3 {
+  h2 {
     color: $main-color;
   }
 }