function newBanner() {
    $('div.scroll-fixed').after("<div class='s4x-wrap'><img class='bannerImg' src='https://source.unsplash.com/1680x680/?streetwear,hoody,disruptor,fila'>");
    $('img.bannerImg').css('width', '100%');
};
newBanner();

function newBannerFullSize() {
    $('div.scroll-fixed').after("<div class='s4x-wrap'><img class='bannerImg' src='https://source.unsplash.com/featured/?streetwear,hoody,disruptor,fila'>");
    $('img.bannerImg').css('width', '100%');
};
newBannerFullSize();