diff --git a/config.php.example b/config.php.example
index bd4cc3f..cef86ee 100755
--- a/config.php.example
+++ b/config.php.example
@@ -23,6 +23,7 @@
 $SERVICE_URL = "https://www.example.org";
 $SERVICE_LOGO = "./static/Test_Logo.svg";
 $SERVICE_NAME = "International Test Corpus";
+$SERVICE_COLOR = "#FF973A";
 
 $REGULAR_CONFERENCE_FEE = 280;
 $EARLYBIRD_CONFERENCE_FEE = 240;
diff --git a/templates/header.htm b/templates/header.htm
index ec1372d..02ede2d 100644
--- a/templates/header.htm
+++ b/templates/header.htm
@@ -22,6 +22,13 @@
         .form-check-label {
             margin-left: 1ex;
         }
+        h1, h2, h3 {
+            color: <?php echo $SERVICE_COLOR; ?>;
+        }
+        .btn-primary {
+            background-color: <?php echo $SERVICE_COLOR; ?>;
+            border-color: <?php echo $SERVICE_COLOR; ?>;
+        }
     </style>
 </head>
 
diff --git a/templates/register.htm b/templates/register.htm
index a8c6a77..d6e14b1 100644
--- a/templates/register.htm
+++ b/templates/register.htm
@@ -685,7 +685,7 @@
     <?php endif; ?>
 
     <!-- Submit button -->
-    <button name="type" value="register" type="submit" class="btn btn-primary float-right fs-3 fw-bold" style="border: #42b23cff; background-color: #42b23cff;">Register for <?php echo $SERVICE_ACRONYM; ?></button>
+    <button name="type" value="register" type="submit" class="btn btn-primary float-right fs-3 fw-bold">Register for <?php echo $SERVICE_ACRONYM; ?></button>
 
 </form>
 </div>
\ No newline at end of file