Change from btn-darkgray to btn-link

Breeze.UI/src/app/login/login.component.html

@@ -32,7 +32,7 @@
         <p class="lead">Looks like you're new here. <br />Please create or restore a wallet.</p>
       </ng-template>
       <div class="row d-flex justify-content-center">
-        <button type="button" class="btn btn-darkgray btn-lg" (click)="onCreateClicked()">Create or restore a wallet</button>
+        <button type="button" class="btn btn-link btn-lg" (click)="onCreateClicked()">Create or restore a wallet</button>
       </div>
     </div>
     <!-- /container-->