The 'net-server' and 'network' icons are grey

[stla]

Describe the bug The 'net-server' and 'network' icons appear in grey:

To Reproduce

<div class="multi-action">
    <button class="action-button rotate-minus bg-red fg-white"
            onclick="$(this).toggleClass('active')">
        <span class="icon"><span class="mif-plus"></span></span>
    </button>
    <ul class="actions drop-right">
        <li class="bg-blue"><a href="#"><span class="mif-net-server"></span></a></li>
        <li class="bg-teal"><a href="#"><span class="mif-network"></span></a></li>
    </ul>
</div>

Expected behavior There should appear in white.

Screenshots

Desktop (please complete the following information):

• OS: Windows
• Browser: Edge
• Metro Version: 4.5.0