маленькие фиксы

src/Editor.tsx

@@ -102,4 +102,5 @@ const basicSetup: Extension = [
     keymap.of([...closeBracketsKeymap, ...defaultKeymap, ...searchKeymap, ...historyKeymap]),
     mathPlugin(),
     placeholder('0.1 + 0.2 = 0.3'),
+    EditorView.lineWrapping,
 ]

src/index.css

@@ -10,6 +10,7 @@ body {
     max-width: 800px;
     margin: auto;
     height: 100vh;
+    padding: 12px;
 }
 
 #root,
@@ -22,10 +23,6 @@ body {
     outline: none;
 }
 
-.cm-scroller {
-    margin-right: -14px;
-}
-
 .math-result {
     color: rgb(80, 80, 80);
     margin-left: 8px;
@@ -66,7 +63,7 @@ body {
     font-family: monospace;
     font-size: 14px;
     cursor: pointer;
-    margin: 8px 0;
+    margin-bottom: 8px;
     transition: all 0.2s ease;
     font-weight: 600;
 }