After implementing the login with classes from bootstrap:
<p class="h4 mb-4">Sign in</p>
<h5 class="card-header info-color white-text text-center py-4" >Sign in</h5>
I noticed that instead of having colors as shown below:
https://i.sstatic.net/XfPf4.png
My logins now appear like this: https://i.sstatic.net/r0tXc.png
This issue is occurring while using Bootstrap v4.3.1 (created a new project with Visual Studio 2017).