/* https://habrahabr.ru/post/282079/ */
body{
	position: relative;
	background-color: white;
    background-image: none;
}

body::before {
    background: url("/_bal/img/bg/forums/politics.jpg") no-repeat center center;
    background-size: cover;
	opacity: .4;
    content: ' ';
    height: 100%;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    will-change: transform;
    z-index: -1;
}