header {
	position: relative;
}
header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 0;
}
header .container  {
	position: relative;
	z-index: 1;
}
header, section, footer, nav {
	padding: 0px 25px;
}
nav img {
	width: 100px!important;
	height: 100%!important;
}