Don't forget to include the Webtools Smart Loader (load.js).
Specify the markup, the family group (optional) and the name of the icon (mandatory).
<span class="wt-icon-{family}--{name}"></span>
Now, the Webtools icons can be safely used with no stress ;-)
<!-- Icons 2024 -->
<span class="wt-icon--clock"></span>
<!-- Icons 2022 -->
<span class="wt-icon-clock wt-icon--primary"></span>
<!-- Networks icons -->
<b class="wt-icon-networks--facebook"></b>
<b class="wt-icon-networks--instagram"></b>
<!-- Flags collection -->
<i class="wt-icon-flag--eu"></i>
<i class="wt-icon-flag--be"></i>
<!-- Unexisting -->
<span class="wt-icon--unexisting"></span>