Update button support

frontend/src/views/creators/DonationButtonBanner.vue

@@ -1,6 +1,6 @@
 <template>
   <button
-      class="secondary"
+      class="secondary text-white donation-action"
       @click="openDonationDialog()"
   >
     {{ $t('isupportbtn.isupport') }}
@@ -166,7 +166,12 @@ function preventNonNumeric(event) {
 }
 </script>
 
-<style>
+<style scoped>
+
+.donation-action {
+  @apply bg-hutopyPrimary;
+}
+
 .error-message {
   color: white;
   background-color: red;