* {
    font-family: sans-serif;
}

body {
    margin: 0;
}

header,
main,
footer {
    padding: 10px;
}

header {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);

    div {
        display: flex;
        gap: 10px;
    }

    div:first-child {
        justify-content: flex-end;
        font-size: small;
        opacity: 0.5;
    }

    div:nth-child(2) {
        justify-content: space-between;
    }
}

footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}