List NZ Postcodes

Treasure every moment that you have and treasure it more because you shared it with someone special, special enough to spend your time...and remember that time waits for no one.
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contain

The contain CSS property allows an author to indicate that an element and its contents are, as much as possible, independent of the rest of the document tree. This allows the browser to recalculate layout, style, paint, size, or any combination of them for a limited area of the DOM and not the entire page, leading to obvious performance benefits.
contain css reference