site crashed after changing css settings

[JCookBlades]

Mac localhost, In admin - store - configuration, I changed my css compilation to client side configuration in advanced and now everything is fried and I can't get back. This is the result:

FileError: 'http://127.0.0.1/Magento/pub/static/version1489371700/_cache/merged/source/_responsive.less' wasn't found (404)

in db6b6fc668e0d14d1ee9a8f367faf3db.css on line 30, column 1:

• 29

  @import 'source/components/_rules-temp.less';

• 30

  @import 'source/_responsive.less';

• 31

  /* The above import directives are aggregated from content. */

[Sinisa]

Try to execute this in your command line:

php bin/magento setup:static-content:deploy