css
header, .main-header, .navbar, .main-header .container, .header-middle, .header-bottom {
 color: #000 !important;
  fill: #000
   !important;
}

navbar *{
 color: #000 !important;
  fill: #000 !important;
} 
header * {
  color: #000 !important;
  fill: #fff !important;
}

header .logo img {
  max-height: 100px !important;
  width: 100px !important;
  object-fit: contain !important;
}