html, body {
    font-family:system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
}

body {
    margin: 32px;
}

main {
    margin: 0 auto;
    width: 100%;
    max-width: 800px;
}

main header {
    text-align: center;
}

main div.flex {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
}

main div.flex article {
    flex: 1 0 41%;
    border: 1px solid #0000000c;
    background-color: #eeeeee;
    box-shadow: 0 4px 14px #8f8f8f54;
    border-radius: 10px;
    height: auto;
    margin: 8px;
    padding: 16px;
}

main div.flex article h2 {
    text-align: center;
    margin: 0;
}

main div.flex article a:not(:last-of-type) {
    margin-bottom: 8px;
}

a {
    color: #000;
    text-decoration: none;
    font-weight: 700;
}

.button {
    text-align: center;
    display: block;
    padding: 8px;
    color: #000;
    background-color: #f2f2f2;
    text-decoration: none;
    border: 1px solid #000000;
    border-radius: 10px;
    font-weight: 400;
}

.button.button-disabled {
    border-color: #9c9c9c;
    color: #6c6c6c;
    cursor: default;
}

span.button {
    display: inline;
    padding: 1px 8px;
}

span.label {
    display: inline-block;
    padding: 2px 6px;
    font-size: 80%;
    font-weight: 500;
    border-radius: 6px;
    text-transform: uppercase;
}

span.label.label-green {
    background-color: #3ac622;
    color: #fff;
}

span.label.label-red {
    background-color: #dc2828;
    color: #fff;
}