diff --git a/views/index.erb b/views/index.erb
index 3d9658c..6099d3f 100644
--- a/views/index.erb
+++ b/views/index.erb
@@ -3,6 +3,7 @@
 <head>
   <meta charset="UTF-8">
   <title>Сети Хопфилда и Хэмминга</title>
+  <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' fill='%231a1a2e'/%3E%3Cline x1='6' y1='10' x2='16' y2='6' stroke='%238ab4f8' stroke-width='1'/%3E%3Cline x1='6' y1='10' x2='16' y2='16' stroke='%238ab4f8' stroke-width='1'/%3E%3Cline x1='6' y1='10' x2='16' y2='26' stroke='%238ab4f8' stroke-width='1'/%3E%3Cline x1='6' y1='22' x2='16' y2='6' stroke='%238ab4f8' stroke-width='1'/%3E%3Cline x1='6' y1='22' x2='16' y2='16' stroke='%238ab4f8' stroke-width='1'/%3E%3Cline x1='6' y1='22' x2='16' y2='26' stroke='%238ab4f8' stroke-width='1'/%3E%3Cline x1='16' y1='6' x2='26' y2='16' stroke='%238ab4f8' stroke-width='1'/%3E%3Cline x1='16' y1='16' x2='26' y2='16' stroke='%238ab4f8' stroke-width='1'/%3E%3Cline x1='16' y1='26' x2='26' y2='16' stroke='%238ab4f8' stroke-width='1'/%3E%3Ccircle cx='6' cy='10' r='3' fill='%23a0c4ff'/%3E%3Ccircle cx='6' cy='22' r='3' fill='%23a0c4ff'/%3E%3Ccircle cx='16' cy='6' r='3' fill='%23a0c4ff'/%3E%3Ccircle cx='16' cy='16' r='3' fill='%23a0c4ff'/%3E%3Ccircle cx='16' cy='26' r='3' fill='%23a0c4ff'/%3E%3Ccircle cx='26' cy='16' r='3' fill='%23a0c4ff'/%3E%3C/svg%3E">
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.11/dist/katex.min.css">
   <script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.11/dist/katex.min.js"></script>
   <style>
