useplaintext.email/css/style.css

body {
    max-width: 800px;
    margin: 0 auto;
    font: 11pt monospace;
    padding: 0 1rem;
}

ul li {
    margin: 0.5rem 0;
}

.muted {
    color: grey;
}

pre {
    max-width: 100%;
    overflow-x: auto;
    background: #e0e0e0;
    margin: 0 -1rem;
    padding: 0 1rem;
}

pre + pre {
  margin-top: 1rem;
}

h2 a {
    text-decoration: none;
    color: black;
}

.breakdown {
    display: flex;
    justify-content: space-between;
}

@media(max-width: 720px) {
    .breakdown {
        display: block;
    }
    .breakdown span {
        display: block;
    }
}

.breakdown span {
    padding: 0.5rem;
}

.green { background-color: rgba(0, 200, 0, 0.5); }
.green::before { content: '✓ '; }
.red { background-color: rgba(255, 50, 50, 0.5); }
.red::before { content: '✗ '; }