Cleanup github actions for macOS tests.

Author: kpeeters

.github/workflows/macos.yml

@@ -1,11 +1,11 @@
-name: macOS
+name: macOS-catalina
 
 on: [push]
 
 jobs:
   build:
 
-    runs-on: macos-latest
+    runs-on: macos-10.15
 
     steps:
     - uses: actions/checkout@v1

README.rst

@@ -13,11 +13,14 @@ Cadabra
 .. image:: https://github.com/kpeeters/cadabra2/workflows/Linux/badge.svg
    :target: https://github.com/kpeeters/cadabra2/actions?query=workflow%3ALinux
 
-.. image:: https://github.com/kpeeters/cadabra2/workflows/macOS/badge.svg
-   :target: https://github.com/kpeeters/cadabra2/actions?query=workflow%3AmacOS
+.. image:: https://github.com/kpeeters/cadabra2/workflows/macOS-catalina/badge.svg
+   :target: https://github.com/kpeeters/cadabra2/actions?query=workflow%3AmacOS-catalina
 
-.. image:: https://github.com/kpeeters/cadabra2/workflows/monterey/badge.svg
-   :target: https://github.com/kpeeters/cadabra2/actions?query=workflow%3Amonterey
+.. image:: https://github.com/kpeeters/cadabra2/workflows/macOS-bigsur/badge.svg
+   :target: https://github.com/kpeeters/cadabra2/actions?query=workflow%3AmacOS-bigsur
+
+.. image:: https://github.com/kpeeters/cadabra2/workflows/macOS-monterey/badge.svg
+   :target: https://github.com/kpeeters/cadabra2/actions?query=workflow%3AmacOS-monterey
 
 *A field-theory motivated approach to computer algebra.*
 

web2/cadabra2/source/static/styles/cadabra-web.css

@@ -580,7 +580,15 @@ div#main div.faq_item input[name="collapse"]:checked ~ h3 {
     margin-bottom: 5px !important;
     transition: max-height 0.5s;
 }
-
+div.github-link {
+	 width: 32px;
+	 height: 32px;
+	 margin-left: 10px;
+	 margin-top: 10px;
+}
+div.github-link a img {
+	 width: 100%;
+}
 
 /* Small screens */