Update styles.css

styles.css

@@ -1,3 +1,10 @@
+.main {
+    @media only screen and (min-width: 1000px) { 
+        width: 70% !important;
+        margin: 0 auto; /* Center the container */
+    }
+}
+
 .textbox-no-label > label > span {
     display: none;
 }