.container-banner .banner-overlay .overlay {
   background-color: unset;
}
.container-banner .banner-overlay {
    color: #fff;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: scroll;
    height: 65vh;
}
.left.item-image {
  float: left;
  padding-right: 1em;
}
.container-header .container-nav {
  border-top: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
}
.kontakte .img-thumbnail {
  max-width: 20%;
  height: auto;
}
.container-header .navbar-toggler {
  color: #000;
  cursor: pointer;
  border: 1px solid rgb (23, 23, 23);
  font-size:1.2rem;
}