diff --git a/index.html b/index.html
index f6a3669..39e14cb 100644
--- a/index.html
+++ b/index.html
@@ -9,6 +9,7 @@
         <script src="/extra-assets/js/TJCaptcha.js?v=20241104174046"></script>
         <link rel="stylesheet" href="/extra-assets/css/katex.min.css?v=20241219134000">
         <script src="/extra-assets/js/katex.min.js?v=20241219134000"></script>
+        <link rel="stylesheet" href="/extra-assets/css/fira.code.min.css?v=20250101202500">
         <style>
             :root {
                 --vh: 1vh;
diff --git a/public/extra-assets/css/fira.code.min.css b/public/extra-assets/css/fira.code.min.css
new file mode 100644
index 0000000..fa1e9fa
--- /dev/null
+++ b/public/extra-assets/css/fira.code.min.css
@@ -0,0 +1,48 @@
+/* cyrillic-ext */
+@font-face {
+    font-family: 'Fira Code';
+    font-style: normal;
+    font-weight: 400;
+    src: url('/extra-assets/font/uU9eCBsR6Z2vfE9aq3bL0fxyUs4tcw4W_D1sJV37MOzlojwUKaJO.woff') format('woff');
+    unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
+}
+/* cyrillic */
+@font-face {
+    font-family: 'Fira Code';
+    font-style: normal;
+    font-weight: 400;
+    src: url('/extra-assets/font/uU9eCBsR6Z2vfE9aq3bL0fxyUs4tcw4W_D1sJVT7MOzlojwUKaJO.woff') format('woff');
+    unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+/* greek-ext */
+@font-face {
+    font-family: 'Fira Code';
+    font-style: normal;
+    font-weight: 400;
+    src: url('/extra-assets/font/uU9eCBsR6Z2vfE9aq3bL0fxyUs4tcw4W_D1sJVz7MOzlojwUKaJO.woff') format('woff');
+    unicode-range: U+1F00-1FFF;
+}
+/* greek */
+@font-face {
+    font-family: 'Fira Code';
+    font-style: normal;
+    font-weight: 400;
+    src: url('/extra-assets/font/uU9eCBsR6Z2vfE9aq3bL0fxyUs4tcw4W_D1sJVP7MOzlojwUKaJO.woff') format('woff');
+    unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
+}
+/* latin-ext */
+@font-face {
+    font-family: 'Fira Code';
+    font-style: normal;
+    font-weight: 400;
+    src: url('/extra-assets/font/uU9eCBsR6Z2vfE9aq3bL0fxyUs4tcw4W_D1sJV77MOzlojwUKaJO.woff') format('woff');
+    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* latin */
+@font-face {
+    font-family: 'Fira Code';
+    font-style: normal;
+    font-weight: 400;
+    src: url('/extra-assets/font/uU9eCBsR6Z2vfE9aq3bL0fxyUs4tcw4W_D1sJVD7MOzlojwUKQ.woff') format('woff');
+    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
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