div.JsonBrace {
    padding: 10px;
    background: #F0F0F0;
    border-radius: 5px;
}
    div.JsonBrace div.JsonBrace {
        margin-left: 20px;
    }

    div.JsonBrace .json-exp-ctrl {
        width: 28px;
        height: 11px;
        overflow: hidden;
        background: url("Resources.images.Expanded.gif") no-repeat left top;
        display: inline-block;
    }

    div.JsonBrace .json-exp-ctrl-close {
        background: url("Resources.images.Collapsed.gif") no-repeat left top;
    }

        div.JsonBrace span.PropertyName {
            margin-left: 20px;
            color: #107aea;
        }
        div.JsonBrace span.row-blank {
            margin-left: 20px;
        }

    div.JsonBrace span.string {
        color: #9c3765;
        word-break: break-all;
    }