:root {
    color-scheme: light dark;
}
body {
    color: light-dark(#333333, #c7c7c7);
    background-color: light-dark(#fff, #1b1b1b);
    width: 85%;
    max-width: 75ch;
    line-height: 1.5;
    margin: 1em auto;
    font-family: sans-serif;
    text-align: center;
    padding-top: 20px;
}
p a {
    color: inherit;
    display: grid;
    margin: auto;
    width: 100%;
    max-width: 40ch;
    padding: 1em 0px 1em;
    border: 1px solid #0002;
    border-radius: 1em;
    background-color: light-dark(#f6f8fa, #2c2c2c);
    text-decoration: none;
    transition: box-shadow 0.5s;
    &:hover {
        box-shadow: 0 2px 8px #0002;
    }
}
footer {
    font-size: 14px;
    margin-top: 150px;
    padding-bottom: 20px;
}