Update assets/custom.css

assets/custom.css

@@ -16,12 +16,17 @@ body {
     border-color: #007bff !important;
 }
 
-.btn-success {
-    background-color: #28a745;
-    border-color: #28a745;
+.btn-primary {
+    background-color: #007bff;
+    border-color: #007bff;
 }
 
-.btn-success:hover {
-    background-color: #218838;
-    border-color: #1e7e34;
+.btn-primary:hover {
+    background-color: #0056b3;
+    border-color: #004085;
+}
+
+.card-header {
+    background-color: #e9ecef !important;
+    border-bottom: 1px solid #dee2e6;
 }