img.redb { position: fixed; top: 0; left: 0; z-index: 0; }
@media (max-width: 1200px) {
    #header .header-logo img { height: 50px; }
}
.containerbg { background: rgba(255,255,255,0.8); z-index:1; position: relative; }
@media (max-width: 900px) {
    .containerbg { padding-top: 20px; }
}