Position utilities
Position utilities are used for useful layout and position things, including clearfix, float and position.
<div class="ch-clearfix"></div>
<!-- clear float -->
<div class="ch-float--left"></div>
<div class="ch-pull--left"></div>
<div class="ch-float--right"></div>
<div class="ch-pull--right"></div>
<!-- float: left and right -->
<div class="ch-relative"></div>
<div class="ch-absolute"></div>
<div class="ch-fixed"></div>
<!-- position: relative, absolute and fixed -->
<div class="ch-centered"></div>
<!-- centered block -->
<!-- Responsive eg... -->
<div class="[sl,sm,md,lg]:ch-*"></div>