Add relative positioning and adjust line numbers in index.css

src/index.css

@@ -607,12 +607,21 @@ body:not([data-theme="light"]) .folder-item {
   border-right: 1px solid var(--border);
   user-select: none;
   overflow: hidden;
+  position: relative;
+}
+
+.line-numbers__inner {
+  position: relative;
+  width: 100%;
 }
 
 .line-numbers__line {
-  height: 1.5em;
+  position: absolute;
+  left: 0;
+  right: 0;
   display: flex;
   align-items: flex-start;
+  justify-content: flex-end;
 }
 
 .line-measure {