Updated README

Author: squidfunk

README.md

@@ -34,9 +34,6 @@
     src="https://img.shields.io/docker/pulls/squidfunk/mkdocs-material" 
     alt="Docker Pulls"
   /></a>
-  <a href="https://squidfunk.github.io/mkdocs-material/insiders/"><img
-    src="https://img.shields.io/static/v1?label=%E2%86%92&message=insiders&color=e91e63"
-  /></a>
 </p>
 
 <p align="center">
@@ -53,13 +50,31 @@
 
 <p align="center">
   <em>
-    A demo is worth a thousand words — check it out at
+    Check out the demo – 
     <a
       href="https://squidfunk.github.io/mkdocs-material/"
     >squidfunk.github.io/mkdocs-material</a>.
   </em>
 </p>
 
+<h2></h2>
+<p>&nbsp;</p>
+<h3 id="premium-sponsors" align="center">Special thanks to</h3>
+<p align="center">our premium sponsors</p>
+<p>&nbsp;</p>
+<p align="center">
+  <a href="https://hummingbot.io/" target=_blank><img
+    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/hummingbot.png" height="40"
+  /></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+  <a href="https://docs.baslerweb.com/" target=_blank><img
+    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/basler.png" height="40"
+  /></a>&nbsp;&nbsp;
+  <a href="https://cirrus-ci.org/" target=_blank><img
+    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/cirrus-ci.svg" height="40"
+  /></a>
+</p>
+<p>&nbsp;</p>
+
 ## Features
 
 * **It's just Markdown ...** — write your technical documentation in Markdown –
@@ -124,20 +139,6 @@ For other installation methods, configuration options, and a demo, visit
 
   [1]: https://squidfunk.github.io/mkdocs-material/
 
-## Premium Sponsors
-
-<p>
-  <a href="https://hummingbot.io/" target=_blank><img
-    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/hummingbot.png" height="50"
-  /></a>
-  <a href="https://docs.baslerweb.com/" target=_blank><img
-    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/basler.png" height="50"
-  /></a>
-  <a href="https://cirrus-ci.org/" target=_blank><img
-    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/cirrus-ci.svg" height="50"
-  /></a>
-</p>
-
 ## Trusted by ...
 
 ### ... leading organizations