File: style.css

body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
}

.card {
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    margin: 10px;
    padding: 20px;
    width: 90%;
}

.card h2 {
    color: #333;
    margin-bottom: 10px;
}