body {
    background-color: #f9f9f9;
    color: #222;
    font-family: Georgia, serif;
    line-height: 1.6;
}

.center {
    margin: 40px auto;
    width: 90%;
    max-width: 800px;
    background: #fff;
    border: 1px solid #ccc;
    padding: 20px;
    box-sizing: border-box;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(1.4rem, 4vw, 2rem);
}

h2 {
    margin-top: 0;
    font-size: clamp(0.85rem, 2.5vw, 1.1em);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #555;
}

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 15px 0;
}

.boxes {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.box {
    border: 1px solid #ccc;
    padding: 12px 15px;
    flex: 1 1 200px;
    background: #fafafa;
    box-sizing: border-box;
}

.box h3 {
    margin: 0 0 8px 0;
    font-size: 1em;
}

.box ul {
    padding-left: 0;
    list-style-position: inside;
    margin: 0;
    color: #444;
}

a {
    color: #222;
}

small {
    color: #888;
}

img {
    margin-top: 10px;
    max-width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 600px) {
    .center {
        margin: 15px auto;
        width: 95%;
        padding: 15px;
    }

    .boxes {
        flex-direction: column;
    }

    .box {
        flex: 1 1 100%;
    }
}