Remove affix from docs & CSS; add migration guidance

1 files changed, 2 insertions, 30 deletions

diff --git a/docs/assets/css/src/docs.css b/docs/assets/css/src/docs.css
index b4eed3817..346726ebd 100644
--- a/docs/assets/css/src/docs.css
+++ b/docs/assets/css/src/docs.css
@@ -528,14 +528,10 @@ body {
 /*
  * Side navigation
  *
- * Scrollspy and affixed enhanced navigation to highlight sections and secondary
+ * Scrollspy and enhanced navigation to highlight sections and secondary
  * sections of docs content.
  */
 
-/* By default it's not affixed in mobile views, so undo that */
-.bs-docs-sidebar.affix {
-  position: static;
-}
 @media (min-width: 768px) {
   .bs-docs-sidebar {
     padding-left: 20px;
@@ -618,35 +614,11 @@ body {
   }
 }
 
-/* Show and affix the side nav when space allows it */
+/* Show the side nav when space allows it */
 @media (min-width: 992px) {
   .bs-docs-sidebar .nav > .active > ul {
     display: block;
   }
-  /* Widen the fixed sidebar */
-  .bs-docs-sidebar.affix,
-  .bs-docs-sidebar.affix-bottom {
-    width: 213px;
-  }
-  .bs-docs-sidebar.affix {
-    position: fixed; /* Undo the static from mobile first approach */
-    top: 20px;
-  }
-  .bs-docs-sidebar.affix-bottom {
-    position: absolute; /* Undo the static from mobile first approach */
-  }
-  .bs-docs-sidebar.affix-bottom .bs-docs-sidenav,
-  .bs-docs-sidebar.affix .bs-docs-sidenav {
-    margin-top: 0;
-    margin-bottom: 0;
-  }
-}
-@media (min-width: 1200px) {
-  /* Widen the fixed sidebar again */
-  .bs-docs-sidebar.affix-bottom,
-  .bs-docs-sidebar.affix {
-    width: 263px;
-  }
 }