:root {
    font-family: system-ui, "Segoe UI", Roboto, Arial, sans-serif;
}

body {
    margin: 0;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    background: #f7f7f8;
    background-image: url(bgimg.png);
}

.top-link {
    display: inline-block;
    text-decoration: none;
    background: #0078d4;
    color: #fff;
    padding: .5rem 1rem;
    border-radius: 6px;
}

body {
    min-height: 100vh;
    justify-content: center;
    box-sizing: border-box;
}
.panel {
    width: 100%;
    max-width: 640px;
    background: #fff;
    border: 1px solid #e6e6e6;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.24);
}

h2 {
    margin: 0 0 .5rem;
    font-weight: 600;
}

p {
    margin: 0;
    color: #333;
}