header {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: center;
  padding: var(--content-padding);
}

header .logo img {
  max-width: 150px;
}
header .menu {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
header .header-contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  padding: 1.5em 0em;
  line-height: 1.5em;
}
header .header-contacts span {
  word-wrap: none;
  white-space: nowrap;
  padding-left: 1em;
  padding-right: calc(0.5em + 3px);
}
header nav {
  flex-grow: 1;
  display: flex;
  flex-direction: row;

  font-size: 20px;
  font-weight: 300;
}
header nav ul {
  flex-grow: 1;
  display: flex;

  flex-wrap: wrap;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
}
header nav li {
  align-self: center;
  text-transform: uppercase;
  border: 3px solid transparent;
  padding: 0.5em;

  transition-property: border-bottom-color;
  transition-duration: 0.2s;
}
header nav li:hover {
  border-bottom-color: hsla(
    var(--main-color-hue),
    var(--main-color-saturation),
    70%,
    100%
  );
}
.banner {
  background-image: url("../img/banner.jpg");
  background-size: cover;
  background-position: left center;
  height: 20em;
  
  padding: var(--content-padding);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.banner h1 {
  font-size: 40px;
  font-weight: lighter;
  color: white;
}
@media (min-width: 320px) and (max-width: 480px) {
  

  header nav ul{
      justify-content:center;
  }
}