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

body {
    font-family: Arial;
    background-color: #f4f4f4;
}

header {
    background-color: orange;
    padding: 20px;
    text-align: center;
    color: white;
}

nav {
    background-color: purple;
    padding: 10px;
    text-align: center;
    color: white;
}

    nav a {
        color: white;
        text-decoration: none;
        margin: 0 15px;
    }

section {
    display: flex;
    padding: 70px;
}

article {
    flex: 3;
    background-color: lightcoral;
    padding: 50px;
    margin-right: 60px;
}

aside {
    flex: 1;
    background-color: lightblue;
    padding: 15px;
}

footer {
    background-color: gray;
    color: white;
    text-align: center;
    padding: 40px;
    margin-top: 50px;
}

img {
    width: 120%;
    max-width: 400px;
    display: block;
    margin: 20px auto;
}