* {
    margin: 0;
}
body {
    max-width: 1200px;
    margin: 0 auto;
    font-family: sans-serif;
    font-size: 0.875em;
    line-height: 1.6em;
}

header {
    background-image: url("../img/cat-background.jpg");
    background-position: center center;
    background-size: cover;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 5%;
}

header h1 {
    font-size: 10rem;
    color: white;
}

article {
    padding: 10px;
}

nav ul { 
    list-style-type: none;
    list-style-position: inside;
    margin: 0;
    padding: 10px; 
}

aside img {
    display: block;
    width: 100%;
}

footer p {
    text-align: center;
}