diff --git a/src/components/common/splitter/splitter.tsx b/src/components/common/splitter/splitter.tsx
index c9b45e2e2..c125f4f3d 100644
--- a/src/components/common/splitter/splitter.tsx
+++ b/src/components/common/splitter/splitter.tsx
@@ -54,7 +54,7 @@ export const Splitter: React.FC<SplitterProps> = ({ containerClassName, left, ri
         </div>
       </ShowIf>
       <ShowIf condition={showRight}>
-        <div className='splitter right overflow-y-scroll'>
+        <div className='splitter right'>
           {right}
         </div>
       </ShowIf>
diff --git a/src/components/editor/markdown-toc/markdown-toc.scss b/src/components/editor/markdown-toc/markdown-toc.scss
index b8f023f32..ddd4b95ed 100644
--- a/src/components/editor/markdown-toc/markdown-toc.scss
+++ b/src/components/editor/markdown-toc/markdown-toc.scss
@@ -4,9 +4,7 @@
   overflow-y: auto;
   overflow-x: hidden;
   &.sticky {
-    position: sticky;
-    top: 0;
-    left: 0;
+    position: fixed;
   }
 
   >ul>li {
@@ -52,12 +50,9 @@
   }
 }
 .markdown-toc-sidebar-button {
-  position: absolute;
-  height: 100%;
-  right: 20px;
-  display: flex;
-  justify-content: flex-end;
-  flex-direction: column;
+  position: fixed;
+  right: 40px;
+  bottom: 20px;
 
   &>.dropup {
     position: sticky;
diff --git a/src/components/editor/renderer-window/markdown-render-window.tsx b/src/components/editor/renderer-window/markdown-render-window.tsx
index 27b65948e..104cc1b30 100644
--- a/src/components/editor/renderer-window/markdown-render-window.tsx
+++ b/src/components/editor/renderer-window/markdown-render-window.tsx
@@ -23,7 +23,7 @@ export const MarkdownRenderWindow: React.FC<RenderWindowProps> = ({ content, onM
   const realWidth = width || 0
 
   return (
-    <div className={'bg-light flex-fill pb-5 flex-row d-flex min-h-100'} ref={renderer}>
+    <div className={'bg-light flex-fill pb-5 flex-row d-flex w-100 h-100 overflow-y-scroll'} ref={renderer}>
       <div className={'col-md'}/>
       <MarkdownRenderer
         className={'flex-fill'}
@@ -34,7 +34,7 @@ export const MarkdownRenderWindow: React.FC<RenderWindowProps> = ({ content, onM
         onFirstHeadingChange={onFirstHeadingChange}
       />
 
-      <div className={`col-md d-flex flex-column ${realWidth < 1280 ? 'justify-content-end' : ''}`}>
+      <div className={'col-md'}>
         <ShowIf condition={realWidth >= 1280 && !!tocAst}>
           <MarkdownToc ast={tocAst as TocAst} sticky={true}/>
         </ShowIf>
diff --git a/src/global-style/index.scss b/src/global-style/index.scss
index 2d3824a3e..7d84cbc5e 100644
--- a/src/global-style/index.scss
+++ b/src/global-style/index.scss
@@ -36,7 +36,3 @@ body {
 .overflow-y-scroll {
   overflow-y: scroll;
 }
-
-.min-h-100 {
-  min-height: 100%;
-}