.container-header { 
  background-color: #FFFFFF;
  background-image: none;
}
.container-header .mod-menu {
 color: #1496E1;
 font-size: 1.2rem;
 font-weight: bold;
 flex: unset;
}
.container-header .navbar-toggler {
 color: #1496E1;
}
@media (max-width: 767px) {
  li.active a.menu__thalbruck {
    border-bottom: 3px solid #E31E24;
  }
  li.active a.menu__z-stuff {
    border-bottom: 3px solid #E31E24;
  }
  li.active a.menu__gallery {
    border-bottom: 3px solid #E31E24;
  }
  li.active a.menu__contact {
    border-bottom: 3px solid #E31E24;
  }
}
@media (min-width: 768px) {
  .container-header .mod-menu a {
    border-bottom: 4px solid transparent;
    display: flex;
    padding: 0;
  }
  .container-header .mod-menu li {
    padding: 0;
  }
  a.menu__thalbruck:hover,
    li.active a.menu__thalbruck {
    border-bottom: 4px solid #E31E24;
  }
  a.menu__z-stuff:hover,
    li.active a.menu__z-stuff {
    border-bottom: 4px solid #E31E24;
  }
  a.menu__gallery:hover,
    li.active a.menu__gallery {
    border-bottom: 4px solid #E31E24;
  }
  a.menu__contact:hover,
    li.active a.menu__contact {
    border-bottom: 4px solid #E31E24;
  }
}