diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index a7d09f2..0598f6a 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -20,7 +20,7 @@
 }
 
 .pagination .page-item.active .page-link {
-    border-color: var(--bs-warning);
+    border-color: var(--bs-dark);
 }
 
   
\ No newline at end of file
diff --git a/app/views/participants/_form.html.erb b/app/views/participants/_form.html.erb
index 05d83dd..f395b64 100644
--- a/app/views/participants/_form.html.erb
+++ b/app/views/participants/_form.html.erb
@@ -28,7 +28,7 @@
 
   <div class="mb-3">
     <%= form.label :phone, class: 'form-label' %>
-    <%= form.telephone_field :phone, id: 'phone-field', class: 'form-control', placeholder: '(XXX)-XX-XXXX' %>
+    <%= form.telephone_field :phone, id: 'phone-field', class: 'form-control', placeholder: '(XXX)XXX-XXXX' %>
   </div>
 
   <div class="mb-3">
@@ -74,7 +74,7 @@
   </div>
 
   <div class="actions">
-    <%= form.submit class: 'btn btn-primary' %>
+    <%= form.submit class: 'btn btn-dark' %>
   </div>
 <% end %>
 
diff --git a/app/views/participants/edit.html.erb b/app/views/participants/edit.html.erb
index 20b5e99..74a5d39 100644
--- a/app/views/participants/edit.html.erb
+++ b/app/views/participants/edit.html.erb
@@ -6,7 +6,6 @@
       <%= render 'form', participant: @participant %>
 
       <div class="mt-3 d-flex justify-content-between">
-        <%= link_to 'Show', @participant, class: "btn btn-info" %>
         <%= link_to 'Back to List', participants_path, class: "btn btn-secondary" %>
         <%= link_to 'Delete', @participant, method: :delete, data: { confirm: 'Are you sure?' }, class: "btn btn-danger" %>
       </div>
diff --git a/app/views/participants/index.html.erb b/app/views/participants/index.html.erb
index 86e701f..530bdbf 100644
--- a/app/views/participants/index.html.erb
+++ b/app/views/participants/index.html.erb
@@ -2,7 +2,7 @@
   <h1 class="mb-4 text-center">Participants</h1>
 
   <div class="text-center mt-3">
-    <%= link_to 'New Participant', new_participant_path, class: 'btn btn-secondary mb-3' %>
+    <%= link_to 'New Participant', new_participant_path, class: 'btn btn-dark mb-3' %>
   </div>
   
   <%= paginate @participants %>
diff --git a/app/views/participants/show.html.erb b/app/views/participants/show.html.erb
index 14c21f7..47477c4 100644
--- a/app/views/participants/show.html.erb
+++ b/app/views/participants/show.html.erb
@@ -53,7 +53,7 @@
       </div>
 
       <div class="mt-3 d-flex justify-content-between">
-        <%= link_to 'Edit', edit_participant_path(@participant), class: "btn btn-primary" %>
+        <%= link_to 'Edit', edit_participant_path(@participant), class: "btn btn-dark" %>
         <%= link_to 'Back to List', participants_path, class: "btn btn-secondary" %>
       </div>
     </div>