html{
    width: 100%;
    height: 100%;
}

body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: #222;
    font-family: verdana, geneva, sans-serif;
}

.header {
    max-width: 800px;
    margin: auto;
    padding: 20px;
}

.header-item {
    color: #fa0;
}

.header-item:not(:last-child)::after {
    content: "|";
    margin-left: 1rem;
    margin-right: 1rem;
}

.header-item a {
    color: #fa0;
    text-decoration: none;
}

.wrapper {
    background-color: #eee;
    max-width: 800px;
    margin: auto;
    padding: 20px;
}

a {
    color: #05a;
    text-decoration: none;
}

a:hover {
    color: #d81;
    text-decoration: underline;
}