diff --git a/public/common.css b/public/common.css
index c8f6d0942484924afca67578641b1d872abe0cff..3be6c1a94f41fc28e561353abf0f775bd9674454 100644
--- a/public/common.css
+++ b/public/common.css
@@ -1,3 +1,9 @@
+@import url(https://cdn.jsdelivr.net/gh/tonsky/FiraCode@1.206/distr/fira_code.css);
+
+* {
+ font-family: 'Fira Code', monospace;
+}
+
.dark {
background: #222;
background-color: #222;
diff --git a/public/rustkathon2019_1/dup-protocol/index.html b/public/rustkathon2019_1/dup-protocol/index.html
index 8b1549e7e5943298ffb11198e1b8a3d065b149b4..b1e020d05979037eec7810077b959dc125f1719b 100644
--- a/public/rustkathon2019_1/dup-protocol/index.html
+++ b/public/rustkathon2019_1/dup-protocol/index.html
@@ -6,6 +6,7 @@
<meta charset="utf-8">
<link rel="stylesheet" href="../../common.css">
<link rel="stylesheet" href="../../lib/mermaid.dark.css">
+ <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/tonsky/FiraCode@1.206/distr/fira_code.css">
</head>
<body>
diff --git a/public/rustkathon2019_1/g1-ecosystem/index.html b/public/rustkathon2019_1/g1-ecosystem/index.html
index c319a5c332611422a2a2e531b44e9ec9bf2654ed..fc0a4026a3f3b296ff408ff05da10e8bfe750b20 100644
--- a/public/rustkathon2019_1/g1-ecosystem/index.html
+++ b/public/rustkathon2019_1/g1-ecosystem/index.html
@@ -6,6 +6,7 @@
<meta charset="utf-8">
<link rel="stylesheet" href="../../common.css">
<link rel="stylesheet" href="../../lib/mermaid.dark.css">
+ <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/tonsky/FiraCode@1.206/distr/fira_code.css">
</head>
<body>
diff --git a/public/rustkathon2019_1/wasm/index.html b/public/rustkathon2019_1/wasm/index.html
index 499db0b7b6b9efd610b135718feeda00698ea447..d744dafc79d3b4452eac40a3119ed5a2fb9c53e3 100644
--- a/public/rustkathon2019_1/wasm/index.html
+++ b/public/rustkathon2019_1/wasm/index.html
@@ -6,6 +6,7 @@
<meta charset="utf-8">
<link rel="stylesheet" href="../../common.css">
<link rel="stylesheet" href="../../lib/mermaid.dark.css">
+ <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/tonsky/FiraCode@1.206/distr/fira_code.css">
</head>
<body>