HTML

<!--###### 6-col #######-->
<div class="bg-darken-1">
<div class="center p2">
  <div class="overflow-hidden sm-flex flex-wrap mxn2">
    <div class="sm-col sm-col-6 lg-col-2 border-box p2"><div class="p2 border border-gray"><img src="https://picsum.photos/g/200/300/?random" class="center" alt=""/></div></div>
    <div class="sm-col sm-col-6 lg-col-2 border-box p2"><div class="p2 border border-gray"><img src="https://picsum.photos/g/202/302/?random" class="center" alt=""/></div></div>
    <div class="sm-col sm-col-6 lg-col-2 border-box p2"><div class="p2 border border-gray"><img src="https://picsum.photos/g/201/301/?random" class="center" alt=""/></div></div>
    <div class="sm-col sm-col-6 lg-col-2 border-box p2"><div class="p2 border border-gray"><img src="https://picsum.photos/g/201/300/?random" class="center" alt=""/></div></div>
    <div class="sm-col sm-col-6 lg-col-2 border-box p2"><div class="p2 border border-gray"><img src="https://picsum.photos/g/202/301/?random" class="center" alt=""/></div></div>
    <div class="sm-col sm-col-6 lg-col-2 border-box p2"><div class="p2 border border-gray"><img src="https://picsum.photos/g/203/302/?random" class="center" alt=""/></div></div>
  </div>
</div>
</div>

CSS

none

JS

none

valid-html
valid-css