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


body {
    font-family: 'Open Sans', sans-serif; 
    background-color: #a2b1b3; 
    color: #333; 
    line-height: 1.8;
    padding: 20px;
}


header {
    text-align: center;
    background-color: #00695c;
    padding: 60px 20px 20px; 
    color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    letter-spacing: 1.5px;
}


main {
    max-width: 1000px;
    margin: 20px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

main img {
    display: block;
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h2, h3 {
    color: #00695c;
    margin-top: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #004d40;
}

p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: #555;
}

strong {
    color: #004d40;
}


nav h2 {
    text-align: center;
    margin-bottom: 10px;
}

nav ul {
    list-style-type: none;
    text-align: center;
    padding: 0;
}

nav ul li {
    display: inline-block;
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    font-weight: bold;
    color: #00695c;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #004d40;
}


footer {
    text-align: center;
    background-color: #004d40;
    color: #fff;
    padding: 15px;
    margin-top: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}