diff --git a/Tinder-for-Dogs/index.html b/Tinder-for-Dogs/index.html
index c0e9cde..510cbc1 100644
--- a/Tinder-for-Dogs/index.html
+++ b/Tinder-for-Dogs/index.html
@@ -197,7 +197,7 @@ <h2>$49 / mo</h2>
         <p>Unlimited Matches</p>
         <p>Unlimited Messages</p>
         <p>Unlimited App Usage</p>
-        <button class="btn btn-lg btn-block btn-dark"  type="button">Sign Up</button>
+        <button class="btn btn-lg btn-block btn-outline-dark"  type="button">Sign Up</button>
           </div>
         </div>
       </div>
@@ -216,7 +216,7 @@ <h2>$99 / mo</h2>
         <p>Unlimited Matches</p>
         <p>Unlimited Messages</p>
         <p>Unlimited App Usage</p>
-        <button class="btn btn-lg btn-block btn-dark" type="button">Sign Up</button>
+        <button class="btn btn-lg btn-block btn-outline-dark" type="button">Sign Up</button>
           </div>
         </div>
       </div>