html, body {
    font-size: 14px;
    background: url(https://www.pngmagic.com/webp_images/sky-blue-hd-background-image-for-banner.webp) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.pkp_footer_content {
    float: left;
}

@media screen and (min-width: 992px) {
    .pkp_site_name .is_img img {
        max-height: 150px;
    }
}