/*
* @title calm bg
* @description calm background image
* @include http://*
* @include https://*
* @license MIT License http://opensource.org/licenses/MIT
* @javascript_url
*/
(function () {
var style = document.body.style;
new MutationObserver(function () {
style.backgroundImage = '';
//style.backgroundColor = '';
//style.background = '';
}).observe(document.body, { attribute: true, attributeFilter: ['style'] });
}());