rules.css

caption {
    font-weight: bold;
    font-size: large;
}

thead tr {
    background-color: #e0e0e0;
    color: inherit;
}

thead th {
    vertical-align: bottom;
    text-align: left;
    white-space: normal;
}

thead td {
}

tbody tr {
    vertical-align: top;
}

tbody th {
    text-align: left;
    background-color: #e8e8e8;
    color: inherit;
}

tbody tr {
    background-color: #f0f0f0;
    color: inherit;
}

code code {
    color: inherit;
}

.highlight {
    background-color: powderblue;
}
.highlight-missed {
    background-color: yellow;
}

.missing {
    background-color: orange;
}

.NB {
    background-color: thistle;
}

.FedRAMP-ns {
    background-color: chartreuse;
}

.context-item {
    font-variant: small-caps;
}

.role-error,
.role-fatal {
    color: red;
}

.role-warning {
    color: orange;
}

blockquote {
    background: #f9f9f9;
    border-left: 10px solid #ccc;
    margin: 1.5em 10px;
    padding: 0.5em 10px;
    quotes: "\201C" "\201D" "\2018" "\2019";
    width: 50%;
}

*[title] {
    cursor: help;
}

.assertion,
.diagnostic {
    font-style: italic;
}
.assertion,
.diagnostic {
    /*font-weight: bold;*/
    font-size: inherit;
}
.assertion:before,
.diagnostic:before {
    /*content: "affirmative message: ";*/
    font-style: normal;
    font-weight: normal;
}
.diagnostic:before {
    /*content: "diagnostic message: ";*/
    font-style: normal;
}

.substitution {
    font-family: monospace;
    background-color: lightgrey;
}

span.has-assertion {
    text-decoration: underline;
    text-decoration-color: green;
    -moz-text-decoration-color:green;
}

span.lacks-assertion {
    text-decoration: underline;
    text-decoration-color: orange;
    -moz-text-decoration-color:orange;
}