:root {
    --color-header: #3cc;
    --color-header-text: white;
}

#test,
#testUndo {
    display: block;
    width: max-content;
    background: #eee;
    font-size: 200%;
    padding: 0.2em 0.5em;
    border-radius: 5px;
    margin: auto;
    border: 1px solid #ccc;
    color: var(--color-dark);
}

#test .firefoxtempconvertedcomplete::after {
    content: "\002714 It's that simple!";
    margin-left: 1em;
    color: #0c6;
}

.example {
    text-align: center;
}

.example .fail {
    background: #ff8080;
}

.example .pass {
    background: #1aff8c;
}

.side-image {
    max-width: 4em;
    float: left;
    margin-right: 1em;
}