When viewing on mobile, my text is left aligned instead of centered. I am using bootstrap4. How can I center the menu contents when it collapses? https://i.sstatic.net/VAs2O.png
<ul class="navbar-nav ml-auto">
<li class="nav-item active">
<a class="nav-link color-me" href="#home">Home</a>
</li>
<li class="nav-item">
<a class="nav-link color-me" href="#about">About</a>
</li>
<li class="nav-item">
<a class="nav-link color-me" href="#services">Services</a>
</li>
<li class="nav-item">
<a class="nav-link color-me" href="#gallery">Gallery</a>
</li>
<li class="nav-item">
<a class="nav-link color-me" href="#contact">Contact</a>
</li>
</ul>
</div>
</div>