diff --git a/doc/sphinx/_static/sphinx_design.css b/doc/sphinx/_static/sphinx_design.css
index 029acabe452fe4a462e20ea16589889ee0ff8854..e670f964e688b9608797185973474209508d5b99 100644
--- a/doc/sphinx/_static/sphinx_design.css
+++ b/doc/sphinx/_static/sphinx_design.css
@@ -13,6 +13,7 @@
 }
 li.toctree-l1>a {
     color:#168de2;
+
     font-size:20px;
     margin:0;
     text-decoration:none;
@@ -391,8 +392,8 @@ div.b-cols_content_left .b-search-text {
 }
 .b-tab_switcher {
     display:inline-block;
-    border:1px solid #168de2;
-    background:#FFF;
+    border:2px solid #797979;
+    background:#fff;
     -webkit-border-radius: 6px 6px 0 0;
     -moz-border-radius: 6px 6px 0 0;
     border-radius: 6px 6px 0 0;
@@ -404,7 +405,7 @@ div.b-cols_content_left .b-search-text {
     display:inline-block;
     font-size:16px;
     color:#262626;
-    border-right:1px solid #168de2;
+    border-right:2px solid #797979;
     padding: 0px !important;
 }
 .b-tab_switcher-item:last-child {
@@ -412,17 +413,18 @@ div.b-cols_content_left .b-search-text {
 }
 .b-tab_switcher-item-url {
     display:inline-block;
-    color:inherit;
+    color:#797979;
     text-decoration:none;
     padding:8px 19px;
     text-transform:uppercase;
 }
 .b-tab_switcher-item-url:hover {
-    background:#e7f3fc;
+    background:#c9c9c9;
+    color:#fff
 }
 .b-tab_switcher-item-url.p-active {
-    background:#168de2;
-    color:#FFF;
+    background:#797979;
+    color:#fff;
 }
 .b-tab_switcher-item:first-child .b-tab_switcher-item-url {
     -webkit-border-radius: 4px 0 0 0px;
@@ -436,9 +438,12 @@ div.b-cols_content_left .b-search-text {
 }
 
 .b-documentation-tab-content {
-    border: 1px solid #168de2;
-    margin-top: -1px;
+    border: 2px solid #797979;
+    margin-top: -2px;
     padding: 5px;
+    -webkit-border-radius: 0 6px 6px 6px;
+    -moz-border-radius: 0 6px 6px 6px;
+    border-radius: 0 6px 6px 6px;
 }
 
 .b-documentation-tab div {
diff --git a/doc/sphinx/book/replication/index.rst b/doc/sphinx/book/replication/index.rst
index 9f4a9fdd58fcd4e6e037eadcdc76813a837186b3..4d28892092bed7112c396cbbf7b483858f86d976 100644
--- a/doc/sphinx/book/replication/index.rst
+++ b/doc/sphinx/book/replication/index.rst
@@ -95,7 +95,7 @@ the old master went down, they would have to be re-applied manually.
 
 
 =====================================================================
-  Instructions for quick startup of a new two-server simple cluster
+        Quick startup of a new two-server simple cluster
 =====================================================================
 
 Step 1. Start the first server thus:
@@ -342,7 +342,7 @@ Now the screen looks like this: (except that UUID values are always different):
                 }, '#catalog-2 .b-tab_switcher-item');
                 dOn.ready(function(event) {
                     maxHeight = Math.max($('#terminal-2-1').height(), $('#terminal-2-2').height());
-                    $('#catalog-2-content').height(maxHeight);
+                    $('#catalog-2-content').height(maxHeight + 10);
                     $('#terminal-2-1').height(maxHeight);
                     $('#terminal-2-2').height(maxHeight);
                     $('#terminal-2-1').show();