fix: replace <br /> with padding-top

+ prevent potential error in getFileSize()

docs/index.html

@@ -356,8 +356,6 @@
     <h6>Heading 6</h6>
 
     <footer>
-      <br />
-      <br />
       <a href="#">Back to top <span class="emoji">⬆</span></a>
     </footer>
 

docs/script.js

@@ -30,7 +30,7 @@ const getFileName = ({ theme, isLegacy, isStandalone }) => {
 
 /** @param {VersionOptions} options */
 const getFileSize = options => {
-  return FILE_SIZES[getFileName(options)] || '...'
+  return FILE_SIZES[getFileName(options)] || 0
 }
 
 const getFilePreloadSnippet = (mainFileName, altFileName, altTheme) => {

docs/style.css

@@ -32,6 +32,7 @@ html {
 }
 
 body > footer {
+  padding-top: 2rem;
   display: flex;
   justify-content: flex-end;
   align-items: flex-end;