body {
    font-family: sans-serif;
}

.container {
    max-width: 40em;

    padding-top: 6em;
    padding-bottom: 6em;
    margin-left: auto;
    margin-right: auto;
}

form {
    margin-top: 3em;
}

.challenges tr:not(.header) td:first-child {
    padding-left: 2em;
    text-align: right;
}

.challenges td:nth-child(2) {
    padding-left: 0.5em;
}

.status {
    font-weight: bold;
}

.ch-started {
    color: rgb(0, 153, 153);
}

.ch-completed {
    color: rgb(0, 145, 0);
}

.ch-failed {
    color: rgb(168, 0, 0);
}

.ch-error {
    color: rgb(219, 143, 0);
}