Create theme.css

theme.css

@@ -0,0 +1,11 @@
+.gr-button {
+  background-color: #3498db !important;
+  color: white;
+}
+.gr-button:hover {
+  background-color: #2980b9 !important;
+}
+.gr-textbox {
+  border-radius: 8px;
+  font-size: 1rem;
+}