Bootstrap has a class called <code>well</code> that can create a visual sense of depth for your columns.
Nest one <code>div</code> element with the class <code>well</code> within each of your <code>col-xs-6</code><code>div</code> elements.
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## Instructions
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## Tests
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```yml
tests:
- text: Add a <code>div</code> element with the class <code>well</code> inside each of your <code>div</code> elements with the class <code>"col-xs-6"</code>
testString: assert($("div.col-xs-6").not(":has(>div.well)").length <1,'Adda<code>div</code> element with the class <code>well</code> inside each of your <code>div</code> elements with the class <code>"col-xs-6"</code>');
- text: Nest both of your <code>div</code> elements with the class <code>"col-xs-6"</code> within your <code>div</code> element with the class <code>"row"</code>.
testString: assert($("div.row > div.col-xs-6").length > 1, 'Nest both of your <code>div</code> elements with the class <code>"col-xs-6"</code> within your <code>div</code> element with the class <code>"row"</code>.');
testString: assert(code.match(/<\/div>/g) && code.match(/<div/g)&&code.match(/<\/div>/g).length === code.match(/<div/g).length,'Makesureallyour<code>div</code> elements have closing tags.');