pre.pure-highlightjs {
    background-color: #2f2f2f !important;
    border: none;
    padding: 0;
}
pre.pure-highlightjs ::selection {
    background:maroon!important;
    color:#fff!important;
}

pre.pure-highlightjs ::-moz-selection {
    background:maroon!important;
    color:#fff!important;
}

pre.pure-highlightjs ::-webkit-selection {
    background:maroon!important;
    color:#fff!important;
}