diff --git a/src/a3 b/src/a3
index ee7bfbf..3a881c7 100755
Binary files a/src/a3 and b/src/a3 differ
diff --git a/src/a3.nim b/src/a3.nim
index 54e389d..0fd17b7 100644
--- a/src/a3.nim
+++ b/src/a3.nim
@@ -268,6 +268,8 @@ import
         val.name = b
         val.message = ""
         val.mark = ""
+        if form[a] == "1":
+          val.mark = "is-invalid"
         validity[a] = val
 
     if productName == "":
diff --git a/src/a3pkg/htmx.nim b/src/a3pkg/htmx.nim
index 80ac50e..0c47dc3 100644
--- a/src/a3pkg/htmx.nim
+++ b/src/a3pkg/htmx.nim
@@ -152,7 +152,7 @@ proc sendCheckOut*(val: Table[string, Validity], total: string): string =
           <div class="p-3 p-lg-5 border">
             <div class="form-group">
               <label for="c_country" class="text-black">Country <span class="text-danger">*</span></label>
-              <select id="c_country" class="form-control" name="c_country">
+              <select id="c_country" class="form-control {val["c_country"].mark}" name="c_country">
                 <option value="1">Select a country</option>    
                 <option value="2">bangladesh</option>    
                 <option value="3">Algeria</option>