css/html_readable_style.css

.readable-container {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    background-color: rgb(31 41 55);
    padding: 3em;
    word-break: break-word;
    overflow-wrap: anywhere;
    color: #efefef !important;
}

.readable-container p, .readable-container li {
    font-size: 16px !important;
    color: #efefef !important;
    margin-bottom: 22px;
    line-height: 1.4 !important;
}

.readable-container li > p {
    display: inline !important;
}

.readable-container code {
    overflow-x: auto;
}

.readable-container :not(pre) > code {
    white-space: normal !important;
}

.readable-container .hoverable {
    font-size: 14px;
}