header {
    max-width: var(--max-width);
    margin: auto;
    margin-bottom: 60px;
}
@media (max-width: 840px) {
    header {
        text-align: center;
        margin-top: 16px;
    }
}

.app-logo {
    display: inline-flex;
    align-items: center;
}
.app-logo img {
    height: 32px;
    margin-right: 16px;
}
.app-logo span {
    font-size: 18px;
    font-weight: bold;
}