*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #1e293b;
    background: #ffffff;
}

a {
    color: #3b82f6;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.back-link {
    display: inline-block;
    margin: 1.5rem 0;
    font-size: .9rem;
}