Timelines
The Timelines are ordered sequences of activities.
<div class="timeline">
<div class="timeline-item" id="timeline-example-1">
<div class="timeline-left">
<a class="timeline-icon" href="#timeline-example-1"></a>
</div>
<div class="timeline-content">
<!-- tiles structure -->
</div>
</div>
<div class="timeline-item" id="timeline-example-2">
<div class="timeline-left">
<a class="timeline-icon icon-lg" href="#timeline-example-2">
<i class="icon icon-check"></i>
</a>
</div>
<div class="timeline-content">
<!-- tiles structure -->
</div>
</div>
...
</div>