Update app.css

app.css

@@ -81,4 +81,11 @@ footer, .footer, div[class*="footer"], #footer {
 .ant-input-textarea-large {
     height: auto !important;
     min-height: 300px !important;
+}
+
+.setting-buttons {
+    position: absolute;
+    top: 10px;
+    right: 10px;
+    z-index: 1000;
 }