diff --git a/cal.css b/cal.css
new file mode 100644
index 0000000..f0f20ce
--- /dev/null
+++ b/cal.css
@@ -0,0 +1,34 @@
+</style>
+</head>
+<body>
+
+<div class="calculator">
+    <input class="display" type="text" disabled>
+    <div class="button-row">
+        <button class="button">7</button>
+        <button class="button">8</button>
+        <button class="button">9</button>
+        <button class="button">+</button>
+    </div>
+    <div class="button-row">
+        <button class="button">4</button>
+        <button class="button">5</button>
+        <button class="button">6</button>
+        <button class="button">-</button>
+    </div>
+    <div class="button-row">
+        <button class="button">1</button>
+        <button class="button">2</button>
+        <button class="button">3</button>
+        <button class="button">*</button>
+    </div>
+    <div class="button-row">
+        <button class="button">C</button>
+        <button class="button">0</button>
+        <button class="button">=</button>
+        <button class="button">/</button>
+    </div>
+</div>
+
+</body>
+</html>
