body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #a3a3a3;
}

header {
    display: block;
    border-radius: 40px 40px 0 0;
    text-align: center;
    padding: 20px;
    background-color: #396585;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    font-size: 1.8rem;
    color: #333;
    margin-top: 20px;
    margin-bottom: 10px;
}

p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
}

footer {
    border-radius: 5px;
    text-align: center;
    margin-top: 30px;
    padding: 10px;
    background-color: #43769b;
}

.thick-line {
    border: none; 
    height: 5px;  
    background-color: #333; 
    margin: 40px 0; 
}