Adjust paddingLeft calculation and margin in styles for improved layout

index.js

@@ -156,7 +156,7 @@ class DOMService {
         link.href = `?${doc.slug}`;
         link.textContent = doc.title || doc.path.split('/').pop().replace('.md', '');
         link.dataset.path = doc.path;
-        link.style.paddingLeft = `${level * 0.6}rem`;  // Reduced from 0.8 + 1.2 to just 0.6
+        link.style.paddingLeft = `${(level * 0.6) + 0.8}rem`;  // Add base padding of 0.8rem
         
         link.onclick = (e) => {
             e.preventDefault();

styles.css

@@ -193,6 +193,7 @@ body {
     font-size: 0.875rem;
     width: 100%;
     position: relative;
+    box-sizing: border-box;
 }
 
 .folder-icons {
@@ -201,7 +202,7 @@ body {
     gap: 0.25rem;
     color: var(--ifm-color-content-secondary);
     min-width: 1.5em;
-    margin-right: 0.5rem;
+    margin-right: 0.25rem;
     order: 1;
 }