$_header-link-focus-text-shadow: 0 0 5px rgba(255, 255, 255, 0.6);

.site-header {
  background-color: $header-color;
  padding: 1rem 0;
}

.site-header__container {
  display: flex;
  justify-content: space-between;
}

.site-header__logo-link {
  color: $white;
  line-height: 0;
  text-decoration: none;
}

.site-header__logo {
  width: 5rem;
}

.site-header__navigation {
  display: inline;
  position: relative;

  ul {
    border: 0;
    display: block;
    list-style: none;
    margin: 0;
    padding: 0;
    padding-top: 0.15em;

    li {
      float: left;
      padding-left: 1.25em;
    }

  }

  a {
    color: white;
    text-decoration: none;
    transition: text-shadow 0.25s 0s ease;

    &:hover,
    &:focus {
      color: $white;
      text-shadow: $_header-link-focus-text-shadow;
    }
  }
}