doitinpoland.com/wp-content/plugins/mailchimp-for-wp/assets/css/checkbox-reset.min.css

.mc4wp-checkbox-__INTEGRATION_SLUG__{clear:both;display:block;position:static;width:auto}.mc4wp-checkbox-__INTEGRATION_SLUG__ input{float:none;width:auto;position:static;margin:0 6px 0 0;padding:0;vertical-align:middle;display:inline-block!important;max-width:21px;-webkit-appearance:checkbox}.mc4wp-checkbox-__INTEGRATION_SLUG__ label{float:none;display:block;cursor:pointer;width:auto;position:static;margin:0 0 16px 0}