html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: #0f172a; /* Tailwind slate-900 equivalent */
    color: #f8fafc;
}

body {
    display: flex;
    flex-direction: column;
}

.header {
    margin-bottom: 2rem;
}

.content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.content_i {
    flex-grow: 1;
}

.footer {
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}