o-wrapper

Code
<div class="o-wrapper u-normal-spacing">
    <div></div>
    <div class="o-wrapper__overflowing"></div>
    <div class="o-wrapper__overflowing@lteLine"></div>
</div>

o-wrapper o-wrapper--line

Code
<div class="o-wrapper o-wrapper--line">
    <div></div>
</div>

o-wrapper o-wrapper--fill

Code
<div class="o-wrapper o-wrapper--fill">
    <div></div>
</div>

o-wrapper o-wrapper--fill-medium-margin

Code
<div class="o-wrapper o-wrapper--fill-medium-margin">
    <div></div>
</div>

o-wrapper o-wrapper--fill-large-margin

Code
<div class="o-wrapper o-wrapper--fill-large-margin">
    <div></div>
</div>