.container-header {
    position: relative;
    z-index: 10;
    margin-bottom: 20px;
    background-image: url('/images/headers/kabel.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    box-shadow: 0 5px 5px rgba(0, 0, 0, 0.03) inset;
}