.advertisement.preview {
    border: 1px solid #717171;
}

@media screen and (min-width:991px) {
    .advertisement-desktop-0x0 {
        display: none;
    }

    .advertisement-desktop-1x1 {
        width:1px;
        height:1px;
    }

    .advertisement-desktop-88x31 {
        width:88px;
        height:31px;
    }

    .advertisement-desktop-300x250 {
        width:300px;
        height:250px;
    }

    .advertisement-desktop-300x600 {
        width:300px;
        height:600px;
    }

    .advertisement-desktop-728x90 {
        width:728px;
        height:90px;
    }

    .advertisement-desktop-970x250 {
        width:970px;
        height:250px;
    }

    .advertisement-desktop-970x90 {
        width:970px;
        height:90px;
    }
}

@media screen and (max-width:990px) and (min-width: 768px) {
    .advertisement-desktop-0x0 {
        display: none;
    }

    .advertisement-desktop-1x1 {
        width:1px;
        height:1px;
    }

    .advertisement-desktop-88x31 {
        width:88px;
        height:31px;
    }

    .advertisement-desktop-300x250 {
        width:300px;
        height:250px;
    }

    .advertisement-desktop-300x600 {
        width:300px;
        height:600px;
    }

    .advertisement-desktop-728x90 {
        width:728px;
        height:90px;
    }

    .advertisement-desktop-970x250 {
        width:970px;
        height:250px;
    }

    .advertisement-desktop-970x90 {
        width:970px;
        height:90px;
    }
}

@media screen and (max-width:767px) and (min-width: 320px) {
    .advertisement-mobile-0x0 {
        display: none;
    }

    .advertisement-mobile-1x1 {
        width:1px;
        height:1px;
    }

    .advertisement-mobile-88x31 {
        width:88px;
        height:31px;
    }

    .advertisement-mobile-300x50 {
        width:300px;
        height:50px;
    }

    .advertisement-mobile-300x250 {
        width:300px;
        height:250px;
    }
}

@media screen and (max-width:319px) {
    .advertisement-mobile-0x0 {
        display: none;
    }

    .advertisement-mobile-1x1 {
        width:1px;
        height:1px;
    }

    .advertisement-mobile-88x31 {
        width:88px;
        height:31px;
    }

    .advertisement-mobile-300x50 {
        width:300px;
        height:50px;
    }

    .advertisement-mobile-300x250 {
        width:300px;
        height:250px;
    }
}