.blackfridayimg{
    max-width: none !important;
    width: 100%;
}
.blackfridayimg-mobile{
    max-width: none !important;
    width: 100%;
    display: none;
    margin-top: 10px;
}

@media only screen and (max-width: 725px){
    .blackfridayimg{
        display: none;
    }
    .blackfridayimg-mobile{
        display: block;
    }
}