header {
    display: flex;
    align-items: center;
    max-width: 550px;
    width: 100%;
    height: 52px;
    position: fixed;
    z-index: 999;
    background: #111;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hd-logo {
    display: flex;
    align-items: center;
    padding: 0 14px;
    height: 100%;
    flex-shrink: 0;
    background: #E4C61C;
}
.hd-logo img {
    height: 32px;
    width: auto;
    display: block;
}
.hd-nav {
    display: flex;
    align-items: stretch;
    height: 100%;
    margin-left: auto;
}
.hd-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    font-size: 1.1rem;
    letter-spacing: 0.18em;
    color: #fff;
    text-decoration: none;
    border-left: 1px solid rgba(255,255,255,0.08);
    transition: color 0.2s;
}
.hd-nav a:hover {
    color: #E4C61C;
}