body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #2c3e50;
}

.features {
    display: flex;
    justify-content: space-around;
    margin: 30px 0;
    flex-wrap: wrap;
}

.feature {
    flex: 1;
    min-width: 200px;
    text-align: center;
    margin: 10px;
    padding: 20px;
    background-color: #ecf0f1;
    border-radius: 5px;
}

.feature h2 {
    color: #3498db;
    margin-bottom: 10px;
}

.btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

ul {
    list-style-type: none;
    padding: 0;
}

ul li {
    background-color: #ecf0f1;
    margin: 5px 0;
    padding: 10px;
    border-radius: 3px;
}