diff --git a/assets/styles.scss b/assets/styles.scss
index 2588a21..06961bb 100644
--- a/assets/styles.scss
+++ b/assets/styles.scss
@@ -79,7 +79,7 @@ aside.fixed nav {
   flex-flow: row;
 
   .menu nav, .page, .markdown {
-    transition: 0.2s ease-in-out;
+    transition: .2s ease-in-out;
     transition-property: transform, margin-left, opacity;
     will-change: transform, margin-left;
   }
@@ -177,3 +177,7 @@ $toc-hide-point: $menu-hide-point + $nav-menu-width;
     }
   }
 }
+
+.muted {
+  opacity: .75;
+}
\ No newline at end of file
diff --git a/images/screenshot.png b/images/screenshot.png
index 597f29b..8dac349 100644
Binary files a/images/screenshot.png and b/images/screenshot.png differ
diff --git a/images/tn.png b/images/tn.png
index 05df99a..42a0a3a 100644
Binary files a/images/tn.png and b/images/tn.png differ