style.css

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.75em;
    background-color: #222;
    color: #fff;
}

.collapsible {
    cursor: pointer;
    display: flex;
    background-color: #25337b;
    border-radius: 10px;
    color: #fff;
    cursor: pointer;
    padding: 10px;
    margin-top: 2px;
    margin-bottom: 5px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-weight: bolder;
}

.active, .collapsible:hover {
    background-color: #b88728;
}

.content {
    padding: 0 20px 20px 20px;
    display: none;
    overflow: hidden;
    background-color: #222;
}

.highlight {
    background-color: yellow;
    color: #18181b;
    border-color: #18181b;
}

.search {
    margin-top: 5px;
    margin-bottom: 5px;
    padding: 5px;
    border-radius: 10px;
}

.icon {
    width: 20px;
    vertical-align: bottom;
    margin-right: 4px;
}

.command {
    font-family: 'Courier New', Courier, monospace;
}

.code {
    font-family: 'Courier New', Courier, monospace;
    background: #777;
    color: white;
    padding: 2px;
}

table {
    margin-top: 10px;
    margin-bottom: 10px;
}

thead {
    background-color: #af2512;
    color: white;
    text-align: left;
    text-transform: uppercase;
}

thead th {
    border: 1px solid #18181b;
    padding: 5px;
}

tbody td {
    padding: 5px;
    border: 1px solid #18181b;
    vertical-align: top;
}

tbody tr:nth-child(odd) {
    background-color: #333;
}

tbody tr:nth-child(even) {
    background-color: #666;
}

.arrow {
    display: inline-block;
    margin-right: 8px;
    transition: transform 0.3s;
}

.active .arrow {
    transform: rotate(90deg);
}

a:link {
color: lightblue;
}

a:visited {
color: lightblue;
}

a:hover {
color: #b88728;
}

a:active {
color: #b88728;
}