changed linkedin icon color in login component

Author: anees-asghar

src/app/auth/login/login.component.html

@@ -18,7 +18,7 @@ <h3>Login</h3>
 <div class="new-align-center" *ngIf="!submitting">
   <div id="google-button"></div>
   <a href="{{ linkedinUrlAuth }}" class="buttons btn-linkedin">
-    <i class="fa fa-linkedin"></i>
+    <i class="fa fa-linkedin text-white"></i>
     Sign in with LinkedIn
   </a>
   <a href="{{ fenixUrlAuth }}" class="buttons btn-fenix">