diff --git a/css/extra.css b/css/extra.css
deleted file mode 100644
index 5602f86b8598cbee8b14744cf4262dfaa7d35795..0000000000000000000000000000000000000000
--- a/css/extra.css
+++ /dev/null
@@ -1,21 +0,0 @@
-div.col-md-9 h1:first-of-type {
-    text-align: center;
-    font-size: 60px;
-    font-weight: 300;
-}
-
-div.col-md-9 p:first-of-type {
-    text-align: center;
-}
-
-div.col-md-9 p.admonition-title:first-of-type {
-    text-align: left;
-}
-
-div.col-md-9 h1:first-of-type .headerlink {
-    display: none;
-}
-
-code.no-highlight {
-    color: black;
-}
diff --git a/docs.it4i/index.md b/docs.it4i/index.md
index 6a08e41593bfa0039c875cb06f1319f9d2db47f9..d903f07ce2c408126cfd5a447cc87f7ddfd3eef8 100644
--- a/docs.it4i/index.md
+++ b/docs.it4i/index.md
@@ -1,7 +1,7 @@
 Documentation
 =============
 
-Welcome to IT4Innovations documentation pages. The IT4Innovations national supercomputing center operates supercomputers [Salomon](/salomon/introduction/) and [Anselm](/anselm-cluster-documentation/introduction/). The supercomputers are [ available](get-started-with-it4innovations/applying-for-resources/) to academic community within the Czech Republic and Europe and industrial community worldwide. The purpose of these pages is to provide a comprehensive documentation on hardware, software and usage of the computers.
+Welcome to IT4Innovations documentation pages. The IT4Innovations national supercomputing center operates supercomputers [Salomon](/salomon/introduction/){:target="_blank"} and [Anselm](/anselm-cluster-documentation/introduction/){:target="_blank"}. The supercomputers are [ available](get-started-with-it4innovations/applying-for-resources/) to academic community within the Czech Republic and Europe and industrial community worldwide. The purpose of these pages is to provide a comprehensive documentation on hardware, software and usage of the computers.
 
  How to read the documentation
 -----------------------------------------
@@ -64,5 +64,4 @@ local $
  Errata
 -------
 
-Although we have taken every care to ensure the accuracy of our content, mistakes do happen. If you find a mistake in the text or the code we would be grateful if you would report this to us. By doing so, you can save other readers from frustration and help us improve subsequent versions of this documentation. If you find any errata, please report them by visiting http://support.it4i.cz/rt, creating a new ticket, and entering the details of your errata. Once your errata are verified, your submission will be accepted and the errata will be uploaded on our website.
-
+Although we have taken every care to ensure the accuracy of our content, mistakes do happen. If you find a mistake in the text or the code we would be grateful if you would report this to us. By doing so, you can save other readers from frustration and help us improve subsequent versions of this documentation. If you find any errata, please report them by visiting http://support.it4i.cz/rt, creating a new ticket, and entering the details of your errata. Once your errata are verified, your submission will be accepted and the errata will be uploaded on our website.
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index cb85f71de2751e5018c41406eb537562f18ebdd9..c9b6619bae65c191cb20f9b4fb667ca7996863f3 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -182,9 +182,6 @@ pages:
     - Licensing and Available Versions: salomon/software/ansys/setting-license-preferences.md
   - PBSPro Documentation: pbspro-documentation/sitemap.md
 
-extra_css:
-    - css/extra.css
-
 markdown_extensions:
     - toc:
         permalink: 