body {
    font-family: 'Arial';
    font-size: 16px;
    color: #444;
    background: #f4f4f4;
}

p {
    margin-bottom: 15px;
}

h2 {
    font-size: 22px;
    margin-bottom: 16px;
}

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

.content-box {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

.card div[class*=col] {
    background: #fff;
    padding: 20px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    margin-bottom: 30px;
}