diff --git a/html/index.html b/html/index.html
index ea0fa13..7e4d058 100644
--- a/html/index.html
+++ b/html/index.html
@@ -6,6 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Document</title>
     <script src="./test.js"></script>
+    <link rel="stylesheet" href="./style.css">
 </head>
 <body>
     My first website
diff --git a/html/style/style.css b/html/style/style.css
new file mode 100644
index 0000000..a163442
--- /dev/null
+++ b/html/style/style.css
@@ -0,0 +1,4 @@
+img {
+    height: auto;
+    width: 100%;
+}
\ No newline at end of file
