chore: Revert title capitalization of Website Source

Since this is not a header nor a button, it shouldn't have header capitalization

sass/_main.scss

@@ -59,16 +59,9 @@ body {
 
 // LAYOUT
 .container {
-  width: 80vw;
   margin-left: auto;
   margin-right: auto;
-  max-width: var(--content-width);
+  width: min(var(--content-width), 90%);
-}
-
-@media screen and (max-width: 480px) {
-  .container {
-    width: 90vw;
-  }
 }
 
 h1,

sass/_nav.scss

@@ -5,10 +5,9 @@
   border-radius: 999px;
   box-shadow: 0px 12px 24px -16px rgba(0, 0, 0, 0.5);
   margin: 1rem auto;
-  max-width: calc(var(--content-width) + 10rem);
   position: sticky;
   top: 1rem;
-  width: 80vw;
+  width: min(calc(var(--content-width) + 10rem), 90%);
   z-index: 1;
 
   @media screen and (max-width: 630px) {
@@ -17,12 +16,6 @@
     }
   }
 
-  @media screen and (max-width: 480px) {
-    & {
-      width: 90vw;
-    }
-  }
-
   nav {
     display: flex;
     flex-wrap: wrap;

templates/includes/footer.html

@@ -4,7 +4,7 @@
   {% endif %}
 
   {% if config.extra.footer.show_source %}
-    <p><a href="{{ config.extra.source_url }}">Website Source</a></p>
+    <p><a href="{{ config.extra.source_url }}">Website source</a></p>
   {% endif %}
 
   {% if config.extra.footer.show_powered_by %}