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

header {
    background: #87cff3;
    color: white;
    padding: 20px;
    text-align: center;
}

nav {
    background: #f4f4f4;
    padding: 10px;
    text-align: center;
}

    nav a {
        margin: 0 15px;
        text-decoration: none;
        color: #294a87;
        font-weight: bold;
    }

.container {
    display: flex;
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
    gap: 20px;
}

article {
    flex: 3;
}

aside {
    flex: 1;
    background: #f9f9f9;
    padding: 15px;
    border-left: 4px solid #87e5f3;
}

footer {
    background: #2a1e7d;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 15px 0;
}

main {
    max-width: 800px;
    margin: 40px auto;
    background: #f9f9f9;
    padding: 30px;
    text-align: center;
    border-radius: 10px;
}

    main h2 {
        color: #4b14ba;
    }

    main p {
        font-size: 18px;
        margin-bottom: 30px;
    }

    main a {
        display: inline-block;
        background: #63278e;
        color: white;
        padding: 12px 25px;
        text-decoration: none;
        border-radius: 5px;
        font-weight: bold;
    }

        main a:hover {
            background: #afbb40;
        }