Improve footer

- Moved container class into footer.
- Added py-3 for footer padding. Not sure if I prefer this to using the stylesheet.
- Replaced hr with border-top.

src/components/footer.svelte

@@ -1,6 +1,3 @@
-<footer>
-    <div class="container">
-        <hr>
-        <p>&copy; Quartznet 2020 | <a href="./policy">Policy</a></p>
-    </div>
+<footer class="container py-3">
+    <p>&copy; Quartznet 2020 | <a href="./policy">Policy</a></p>
 </footer>

static/css/global.css

@@ -4,6 +4,7 @@
   --background-color: #2d2d2d;
   --headings-color: #ffffff;
   --font-color: #ffffff;
+  --border-color: #ffffff;
   --line-color: #ffffff;
   --link-color: #CC99FF;
 }
@@ -113,7 +114,8 @@ main {
 }
 
 footer {
-  margin-bottom: 20px;
+  border-top: 3px solid var(--border-color);
+  margin-bottom: 30px;
 }
 
 /* Content types */