.copyright {
    float: right;
}
@media only screen and (min-width: 990px) {
    .header .container {
        /*height: 426px;*/
    }
}

@media only screen and (min-width: 990px) {
    .img_slider .slider_item {
        width: 960px;
        /*height: 400px;*/
    }
}