fix(homepage): correct small issues (#921)

* fix: center the logo on the homepage

* fix: make sure the magnifying glass icon from the input is at the right place

* fix: use latest version of Bootstrap documentation

* refactor: remove superfluous empty line

docs/src/_layouts/homepage.pug

@@ -14,7 +14,7 @@ block nav
 block content
   .bg-docsearch-hero
     .max-w-md.m-auto.text-center.px-2
-      img.mt-3.mb-1(src="assets/docsearch-logo.svg", alt="DocSearch logo" width=480)
+      img.mt-3.mb-1.ml-auto.mr-auto(src="assets/docsearch-logo.svg", alt="DocSearch logo" width=480)
       .text-2.text-nova.mb-3 The best search experience for docs, integrates in minutes, for free
       .text-5.text-telluric.mb-3 Providing search for 1 500+ docs, and counting.
       a.c-button.c-button-primary(href="#join-docsearch-program") Join the Program

docs/src/_styles/components.css

@@ -74,7 +74,6 @@
   background-image: url("assets/bg-footer.svg");
   background-position: 100% 100%;
   height: 500px;
-
 }
 
 /* Logo slider (gslide) */
@@ -275,3 +274,7 @@
       50px 0 0 rgba(236, 139, 99, 0.5);
   }
 }
+
+.docsearch-live-demo-input-wrapper button.searchbox__submit > svg {
+  display: inline;
+}

docs/src/js/home.js

@@ -8,7 +8,7 @@ window.onload = function() {
     indexName: 'bootstrap',
     inputSelector: '.docsearch-live-demo-input',
     algoliaOptions: {
-      facetFilters: ['version:4.1'],
+      facetFilters: ['version:4.4'],
     },
     enhancedSearchInput: true,
     debug: false,