body {
    font: 16px/20px Arial, sans-serif;
    margin: 0;
    color: #000;
}

nav {
    display: block;
}

nav li {
    list-style: none;
    display: inline-block;
    margin-right: 20px;
}

nav ul {
    margin: 0;
    padding: 0;
}

nav li a {
    text-decoration: none;
    color: #000;
}

nav li a:hover,
nav li a:focus {
    color: #940909;
}

main,
.header-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-inner {
    display: flex;
    justify-content: space-between;
}

header {
    padding: 30px 0;
    margin-bottom: 100px;
    border-bottom: 1px solid #ccc;
}

main {
    margin-bottom: 100px;
}

.brand {
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    color: #000;
}

img {
    margin-top: 40px;
    max-width: 100%;
}