body {
    background: rgba(128, 128, 128, 0.43);
}

pre {
    background: transparent;
}
.string {
    color: green;
}

.number {
    color: darkorange;
}

.boolean {
    color: blue;
}

.null {
    color: magenta;
}

.key {
    color: red;
}

.lds-dual-ring {
    display: inline-block;
    width: 64px;
    height: 64px;
    position: fixed;
    bottom: 0;
    right: 0;
}
.lds-dual-ring:after {
    content: " ";
    display: block;
    width: 46px;
    height: 46px;
    margin: 1px;
    border-radius: 50%;
    border: 5px solid #fff;
    border-color: #fff transparent #fff transparent;
    animation: lds-dual-ring 1.2s linear infinite;
}
@keyframes lds-dual-ring {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}