Other helpers

Other useful Buval helpers

Here are some other helpers shipped with Buval:

Class	Description
`is-clearfix`	Fixes an element's floating children
`is-pulled-left`	Moves an element to the left
`is-pulled-right`	Moves an element to the right
`is-overlay`	Completely covers the first positioned parent
`is-clipped`	Adds overflow hidden
`is-shadowless`	Removes any shadow
`is-unselectable`	Prevents the text or img from being selectable
`is-relative`	Applies `position: relative` to the element
`is-absolute`	Applies `position: absolute` to the element