* {
    box-sizing: border-box;
}

html, body {
    font-size: 16px;
}

body {
    background-color: #FDF3C7;
    font-family: Arial, Helvetica, sans-serif;
}

body, a {
    color: #800000;
}

a:hover,
a:focus {
    text-decoration: none;
}

.wrapper {
    margin: 0 auto;
    width: 903px;
}

header {
    text-align: center;
}

h1 {
    border-bottom: 4px solid #000;
    display: inline-block;
    font-family: "Arial Black", Arial, Helvetica, sans-serif;
    font-size: 3.6rem;
    margin: 2rem 0;
    padding-bottom: 5px;
}

.row {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
}

ul {
    list-style-type: square;
}

aside img {
    width: 500px;
}

footer {
    display: flex;
    font-size: 0.9rem;
    justify-content: space-between;
}

@media (max-width: 902px) {
    .wrapper {
        padding: 10px;
        width: 100%;
    }

    h1 {
        font-size: 2.5rem;
    }

    article, aside {
        width: 50%;
    }

    aside img {
        max-width: 100%;
    }

    footer {
        line-height: 1.5;
        text-align: center;
    }

    footer,
    footer section {
        display: block;
    }
}

@media (max-width: 730px) {
    h1 {
        font-size: 2rem;
    }

    .row {
        display: block;
        margin-bottom: 3rem;
    }

    article {
        margin: 0 auto 3rem;
        width: 400px;
    }

    article img {
        display: block;
        margin: auto;
    }

    aside {
        text-align: center;
        width: 100%;
    }
}

@media (max-width: 550px) {
    h1 {
        display: block;
    }

    article {
        width: 100%;
    }
}