Updated stylesheets.

config/en/mkdocs.yaml

@@ -53,6 +53,9 @@ markdown_extensions:
   - pymdownx.details
   - pymdownx.superfences
 
+extra_css:
+  - stylesheets/extra.css
+
 extra_javascript:
   - javascripts/mathjax.js
   - https://polyfill.io/v3/polyfill.min.js?features=es6

config/nl/mkdocs.yaml

@@ -53,6 +53,9 @@ markdown_extensions:
   - pymdownx.details
   - pymdownx.superfences
 
+extra_css:
+  - stylesheets/extra.css
+
 extra_javascript:
   - javascripts/mathjax.js
   - https://polyfill.io/v3/polyfill.min.js?features=es6

docs/en/mathematics/set-theory/permutations.md

@@ -100,8 +100,6 @@ For example consider the permutation $g = [8,4,1,6,7,2,5,3]$ in $\mathrm{Sym}_8$
 
 This means that every permutation has a unique cycle structure.
 
-<br>
-
 ## Conjugation
 
 The choice $X = \{1, \dots, n\}$ fixed the set $X$ under consideration. Suppose a different numbering of the elements in $X$ is chosen. How may a permutation of $X$ be compared with respect to two different numberings?

docs/stylesheets/extra.css

@@ -0,0 +1,5 @@
+[dir="ltr"] .md-typeset blockquote {
+    border-left: .2rem solid rgba(68,138,255,1);
+    background-color: rgba(34, 44, 63, 1);
+    color: rgb(191,195,202);
+}