Reply To: Horizontal outline for the Variable products on Mobile view

Hello,

Please add this code to the Theme Settings > Custom CSS > in all the devices

.variations_form .variations tr {
        display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
    margin-bottom: 10px;
}
.variations_form .variations tr:last-child {
    margin-bottom: 0;
}
body .variations_form .variations td {
    padding-bottom: 0;
    margin-bottom: 10px;
}

Best Regards