body {
    font-family: sans-serif;
}

#main {
    width: 600px;
    margin: 0 auto;
}

ol {
    padding: 0;
    list-style: none;
}

li {
    margin: 10px 0;
    padding: 20px;
    border: 1px solid #ccc;
}

form label {
    display: block;
}

form input[type=text],
form input[type=password] {
    line-height: 1.6;
    font-size: 1.2em;
    padding: 0 6px;
    width: 100%;
}

.error {
    color: red;
    line-height: 1.8;
    padding: 0 8px;
}

[aria-invalid="false"] {
    outline: 1px solid green;
}

.error-parent {
    background: hsl(350deg 100% 96%);
}