login page interface fixes
<ul class="nav nav-tabs mb-4">
<li class="nav-item">
- <a class="nav-link active" href="#login" data-toggle="tab">Log In</a>
+ <a class="nav-link active" href="#login" data-toggle="tab">Log in</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#register" data-toggle="tab">Register</a>
