body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
   
}

header {
    background-color: #0078d7;
    color: white;
    padding: 20px;
    text-align: center;
}
.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.features-section, .how-to-use-section {
    padding: 20px;
    background-color: #f9f9f9;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }
    
    .features-section h2, .how-to-use-section h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
    }
    
    .features-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 40px;
    margin-top: 20px;
    }
    
    .feature {
    flex: 1 1 calc(45% - 20px);
    background-color: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
    }
    
    .feature h3 {
    color: #007BFF;
    margin-bottom: 10px;
    }
    
    .feature p {
    color: #555;
    }
    
    .how-to-use-list {
    list-style-type: decimal;
    padding-left: 40px;
    color: #555;
    }
    
    .how-to-use-list li {
    margin-bottom: 10px;
    }