var adUnits = window.innerWidth && window.innerWidth < 480
?
[
//Mobile
    {
        "code": "adfox_155299390472676538",
        "bids": [
            {
                "bidder": "betweenDigital",
                "params": {
                    "placementId": "2977743"
                }
            },
            {
                "bidder": "relap",
                "params": {
                    "placementId": "cQAA7M4P_Qf9yMjI"
                }
            }
        ],
        "sizes": [
            [
                300,
                250
            ]
        ]
    }
]
:
[
//Desktop
{
        "code": "adfox_155291210532481828",
        "bids": [
            {
                "bidder": "betweenDigital",
                "params": {
                    "placementId": "2983704"
                }
            }
        ],
        "sizes": [
            [
                728,
                90
            ]
        ]
    }
];