diff --git a/doc/changelog.d/57.documentation.md b/doc/changelog.d/57.documentation.md
new file mode 100644
index 00000000..f13b81b7
--- /dev/null
+++ b/doc/changelog.d/57.documentation.md
@@ -0,0 +1 @@
+Remove custom css from docs
diff --git a/doc/source/_static/custom.css b/doc/source/_static/custom.css
deleted file mode 100644
index b264c90d..00000000
--- a/doc/source/_static/custom.css
+++ /dev/null
@@ -1,9 +0,0 @@
-/* Box around the whole tab enclosure with a muted blue-gray border and more obvious grey background */
-.sd-tab-set {
-    border: 3px solid #b0b8c1;
-    border-radius: 10px;
-    padding: 1.2em 1em 1em 1em;
-    background: #eceff1;
-    box-shadow: 0 2px 12px rgba(108,122,137,0.07);
-    margin-bottom: 2em;
-}
\ No newline at end of file