html {
    font-family: Georgia, "Times New Roman", Times, serif;
}

header {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 50px;
    padding-right: 50px;
    padding-bottom: 30px;
}

body > header {
    border-bottom-color: gray;
    border-bottom-width: 1px;
    border-bottom-style: solid;
    margin-bottom: 12px;
}

html main {
    display: flex;
    margin-top: 12px;
}

html main > * {
    height: 100%;
}

html main > section {
    flex: 1;
    border-right-color: grey;
    border-right-width: 1px;
    border-right-style: solid;
}

#at {
    text-align: right;
    max-width: 200px;
    border: none;
}

#at ul {
    list-style: none;
}

#websites {
    padding-right: 20px;
}

#websites article {
    border-color: gray;
    border-bottom-width: 1px;
    border-bottom-style: dotted;
}

#websites article:last-child {
    border-style: none;
}

body > footer {
    border-top-color: gray;
    border-top-width: 1px;
    border-top-style: solid;
    margin-top: 12px;
}

@media screen and (prefers-color-scheme: dark) {
    html {
        background-color: #2f4f4f;
    }

    body {
        background-color: white;
        border-radius: 3px;
        border-width: 1px;
        border-style: solid;
    }
}