Create style.css

static/style.css

@@ -0,0 +1,32 @@
+body {
+    font-family: Arial;
+    background: #f5f5f5;
+    padding: 20px;
+}
+
+.container {
+    max-width: 800px;
+    margin: auto;
+    background: white;
+    padding: 20px;
+    border-radius: 10px;
+}
+
+textarea {
+    width: 100%;
+    height: 150px;
+    margin-bottom: 10px;
+}
+
+select, button {
+    padding: 10px;
+    margin-top: 10px;
+}
+
+pre {
+    background: #111;
+    color: #0f0;
+    padding: 10px;
+    margin-top: 20px;
+    overflow-x: auto;
+}