body {
    background-color: #cbd5e1;
    font-size: var(--font-size-base);
    background-image: radial-gradient(transparent 1px, #f1f5f9 1px);
    background-size: 3rem 3rem;
    background-position: center top;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #4b5563;
        background-image: radial-gradient(transparent 1px, #1f2937 1px);
    }
}

.center-wapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    flex-direction: column;
}

.center-wapper-title {
    display: block;
    width: 100%;
    text-align: center;
    color: var(--color-text-primary);
    font-size: var(--font-size-title-1);
    font-weight: 300;
    line-height: calc(var(--font-size-title-1) * 1.25);
    margin-block-start: 0.5rem;
    margin-block-end: 0.75rem;
    box-sizing: border-box;
    padding: 0 1rem 1rem 1rem;
    border-bottom: 2px solid var(--color-text-primary);
}

nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 400;
    font-size: var(--font-size-large);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    padding: 0.25rem 2rem;
    transition: color .15s;
}

nav a:hover {
    color: var(--color-text-primary);
}