diff --git a/docs/mathjax-scrollbar.css b/docs/mathjax-scrollbar.css
new file mode 100644
index 0000000000000000000000000000000000000000..1609cabff11c1ddedf382a3c9b138f23aeb71444
--- /dev/null
+++ b/docs/mathjax-scrollbar.css
@@ -0,0 +1,9 @@
+/* suppression de l'ascenseur horizontal sur les formules Mathjax */
+.arithmatex {
+    overflow-x: auto;
+}
+
+/* suppression de l'ascenseur vertical sur certaines formules Mathjax */
+mjx-math {
+    overflow-y: clip;
+}
diff --git a/mkdocs-en.yml b/mkdocs-en.yml
index fc9fc321d57aafa3eb1600956bd9429846e3f524..23d32b54e163dd0c440211662d9291f291a2d5fd 100644
--- a/mkdocs-en.yml
+++ b/mkdocs-en.yml
@@ -9,6 +9,8 @@ theme:
     name: 'material'
     language: 'en'
 use_directory_urls: false
+extra_css:
+    - ../stylesheets/mathjax-scrollbar.css
 extra_javascript:
     - ../javascripts/mathjax.config.js
     - ../javascripts/mathjax/tex-mml-chtml.js
diff --git a/mkdocs-fr.yml b/mkdocs-fr.yml
index e32b6f3f81073700ee9eb541958f1c32d6b9d2cf..4d6aa5fb22c847896e355c13a7681cc064d5b6fb 100644
--- a/mkdocs-fr.yml
+++ b/mkdocs-fr.yml
@@ -9,6 +9,8 @@ theme:
     name: 'material'
     language: 'fr'
 use_directory_urls: false
+extra_css:
+    - ../stylesheets/mathjax-scrollbar.css
 extra_javascript:
     - ../javascripts/mathjax.config.js
     - ../javascripts/mathjax/tex-mml-chtml.js