Update custom.css

custom.css

@@ -3,16 +3,16 @@ body {
 }
 
 .gradio-container {
-    background: linear-gradient(to right, light blue, gray purple);
-    color: white;
+    background: linear-gradient(to right, blue, purple);
+    color: gray;
 }
 
 .gr-button {
     background-color: #4a4a4a;
-    color: #F2E9E4;
+    color: #ffffff;
 }
 
 .gr-textbox {
-    background-color: #4A4E69;
+    background-color: #f0f0f0;
     color: #000000;
 }