diff --git a/content/en/posts/_index.md b/content/en/posts/_index.md
new file mode 100644
index 0000000..e69de29
diff --git a/content/robots.txt b/content/robots.txt
new file mode 100644
index 0000000..7d329b1
--- /dev/null
+++ b/content/robots.txt
@@ -0,0 +1 @@
+User-agent: *
diff --git a/hugo.yaml b/hugo.yaml
index 6f2b027..96fa9e4 100644
--- a/hugo.yaml
+++ b/hugo.yaml
@@ -8,7 +8,8 @@ taxonomies:
   language: languages
 
 params:
-  disableThemeToggle: false
+  disableThemeToggle: true
+  defaultTheme: light
   env: production
   author: Олег Омельченко
 
diff --git a/layouts/partials/extend_head.html b/layouts/partials/extend_head.html
index b09617c..d21b115 100644
--- a/layouts/partials/extend_head.html
+++ b/layouts/partials/extend_head.html
@@ -25,7 +25,7 @@
         justify-content: center;
         display: flex;
     }
-    .vega-embed {
+    canvas.marks {
         box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1), 0 6px 20px rgba(0, 0, 0, 0.19);
         margin: 10px;
     }
diff --git a/themes/PaperMod b/themes/PaperMod
index 9f1f414..5a46517 160000
--- a/themes/PaperMod
+++ b/themes/PaperMod
@@ -1 +1 @@
-Subproject commit 9f1f414be805a2f94e2f51bd4be2b365ff12386d
+Subproject commit 5a4651783fa9159123d947bd3511b355146d4797