.bg-body {
        color: #cfe2ff;
        background-color: #9b9b9b;
}

.bg-tab-content {
    background-color: #353434;
}

.active_tab {
    background: #298416;
    color: #000;
}

.active_tab:hover {
    background: #154e0a;
    color: #fff;
}

pre {outline: 1px solid #ccc; padding: 5px; margin: 5px; }
.string { color: green; }
.number { color: darkorange; }
.boolean { color: blue; }
.null { color: magenta; }
.key { color: red; }