.page_header{
    aspect-ratio: 16 / 3;
    width: 100%;
    position: relative;
}
.page_header img, .page_header video{
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.page_header .content{
    position: absolute;
    z-index: 2;
    bottom: 20px;
    left: 20px;
}