diff --git a/src/event.js b/src/event.js
index 8028127c..6e9fd143 100644
--- a/src/event.js
+++ b/src/event.js
@@ -48,7 +48,7 @@ export function scrollActiveSidebar () {
 
     li.classList.add('active')
     active = li
-    !hoveredOverSidebar && sticky.isSticky && active.scrollIntoView()
+    !hoveredOverSidebar && !sticky.noSticky && active.scrollIntoView()
   }
 
   window.removeEventListener('scroll', highlight)
@@ -125,10 +125,10 @@ export function sticky () {
   return (function () {
     if (window.pageYOffset >= coverHeight || dom.classList.contains('hidden')) {
       document.body.classList.add('sticky')
-      sticky.isSticky = true
+      sticky.noSticky = false
     } else {
       document.body.classList.remove('sticky')
-      sticky.isSticky = false
+      sticky.noSticky = true
     }
   })()
 }
diff --git a/src/themes/basic/_layout.css b/src/themes/basic/_layout.css
index 218c0b7e..32b95cfd 100644
--- a/src/themes/basic/_layout.css
+++ b/src/themes/basic/_layout.css
@@ -96,6 +96,7 @@ nav {
     display: inline-block;
 
     ul {
+      border-radius: 2px;
       background-color: rgba($color-bg, .6);
       border: 1px solid $color-primary;
       opacity: 0;
@@ -160,6 +161,7 @@ nav {
 
 /* main */
 main {
+  display: block;
   size: 100vw 100%;
   position: relative;
 }