diff --git a/public/css/style.css b/public/css/style.css
new file mode 100644
index 0000000..f5ed529
--- /dev/null
+++ b/public/css/style.css
@@ -0,0 +1,14 @@
+body {
+    font-family: sans-serif;
+    max-width: 600px;
+    margin: 2em auto;
+}
+
+fieldset {
+    margin-bottom: 1.5em;
+    padding: 1em;
+}
+
+button {
+    padding: 0.5em 1em;
+}
diff --git a/public/index.html b/public/index.html
index 16d9979..1de9f57 100644
--- a/public/index.html
+++ b/public/index.html
@@ -5,22 +5,7 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Dataset Downloader & Answer Uploader</title>
-    <style>
-        body {
-            font-family: sans-serif;
-            max-width: 600px;
-            margin: 2em auto;
-        }
-
-        fieldset {
-            margin-bottom: 1.5em;
-            padding: 1em;
-        }
-
-        button {
-            padding: 0.5em 1em;
-        }
-    </style>
+    <link rel="stylesheet" href="css/style.css">
 </head>
 
 <body>
