Fix minor site rendering issues (#2261)

Author: frankfarzan

site/static/css/site.css

@@ -125,7 +125,7 @@ pre.language-shell button.copy-button:hover {
 
 .github-widget {
   position: absolute;
-  left: 50%;
+  left: 47%;
   margin-top: 2.5em;
   padding-top: 8px;
 }
@@ -143,3 +143,7 @@ pre.language-shell button.copy-button:hover {
   z-index: -1;
   position: relative;
 }
+
+.pagination-item a:hover {
+  color: black;
+}

site/static/js/config.js

@@ -18,7 +18,9 @@ window.$docsify = {
   auto2top: true,
   repo: "true",
   pagination: {
-    crossChapter: true,
+    previousText: 'PREV',
+    nextText: 'NEXT',
+    crossChapter: true
   },
   corner: {
     url: "https://github.com/GoogleContainerTools/kpt",