diff --git a/assets/master.css b/assets/master.css
new file mode 100644
index 0000000..01734df
--- /dev/null
+++ b/assets/master.css
@@ -0,0 +1,17 @@
+.form{
+
+}
+
+.submit{
+  
+}
+
+.bg{
+  background-color: gray;
+}
+
+.center{
+  margin:auto;
+  padding: 10px;
+  width: 50%;
+}
diff --git a/index.html b/index.html
index 52c5081..eb511c9 100644
--- a/index.html
+++ b/index.html
@@ -5,16 +5,28 @@
     <meta charset="utf-8" />
     <title>Caption</title>
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <link rel="stylesheet" type="text/css" media="screen" href="main.css" />
+    <link rel="stylesheet" type="text/css" media="screen" href="assets/master.css" />
     <!-- <script src="main.js"></script> -->
 </head>
 
-<body>
-    <form enctype="multipart/form-data" action="/image" method="post">
-        <textarea name="text" cols="30" rows="3"></textarea>
-        <input name="image" type="file">
-        <input type="submit" value="submit">
+<body class="bg">
+  <div class="center">
+    <form class="form" enctype="multipart/form-data" action="/image" method="post">
+      <div class="">
+        <textarea class="text" name="text" cols="30" rows="3"></textarea>
+      </div>
+      <div class="">
+        <input class="" name="image" type="file">
+      </div>
+
+      <div class="">
+        <input class="" type="submit" value="submit">
+      </div>
+
     </form>
+  </div>
+
+
 </body>
 
-</html>
\ No newline at end of file
+</html>
