Update custom.css

custom.css

@@ -0,0 +1,21 @@
+body {
+    background-color: #2e3440;
+    color: #d8dee9;
+    font-family: 'Roboto', sans-serif;
+}
+.gradio-container {
+    background-color: #3b4252;
+    border: 2px solid #88c0d0;
+    border-radius: 10px;
+    padding: 20px;
+}
+.gr-button {
+    background-color: #5e81ac;
+    color: #d8dee9;
+    border-radius: 5px;
+}
+#header {
+    font-size: 2em;
+    text-align: center;
+    margin-bottom: 20px;
+}