* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f2f2f2;
}

header {
    background-color: #fff;
    padding: 20px;
    text-align: center;
    border-bottom: 5px solid #333;
}

.logo {
    width: 100px;
    margin-bottom: 20px;
}

header h1 {
    color: #4CAF50;
    font-size: 48px;
}

header h2 {
    color: #f44336;
    font-size: 24px;
    margin-bottom: 10px;
}

main {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px;
}

.card {
    background-color: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    padding: 20px;
    width: 300px;
    margin-bottom: 20px;
}

.card h3,
.card ul,
.card p {
    padding: 0 20px;
}

h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #2196F3;
}

ul {
    margin-left: 20px;
}

li {
    margin-bottom: 5px;
}

footer {
    background-color: #f2f2f2;
    padding: 20px;
    text-align: center;
    border-top: 5px solid #333;
}