Now Generation enables the support for custom shadow classes, that, with card enables you to design using Google Material Design without any trouble:
<div class="card no-shadow"></div>
<div class="card sw-0"></div>
<div class="card sw-c"></div>
<div class="card sw-1"></div>
<div class="card sw-2"></div>
<div class="card sw-3"></div>
<div class="card sw-4"></div>
<div class="card sw-5"></div>
<div class="card sw-6"></div>
<div class="card sw-7"></div>
<div class="card sw-8"></div>
<div class="card sw-9"></div>
<div class="card sw-10"></div>
<div class="card sw-11"></div>
<div class="card sw-12"></div>
sw-0 and no-shadow are the same class and sw-c is a special value that adds a smooth shadow between sw-0 and sw-1.
You can use the force-relative, force-absolute and force-fixed classes for set the display property to relative, absolute or fixed.
And you can use the text-left, text-right and text-center classes like the left, center and right classes, but these instead of setting the direction of a flexbox container, sets the text-align property and aligns the text inclusive of block containers.
The block-left, block-right and block-clear can be used on block containers for make it float to the left, right or force it to no have multiples blocks at each side (block-clear). block-clear can be used with block-left and block-right.
Now, all classes that are of the form [name][number] or [name]-[number] (number classes) are unified with a single sintax: [name]-[number], where [name] is the class name of at least 2 characters and [number] is the numbered value:
f[x] and o[x] classes are deprecated in favor of fx-[x] and od-[x].