Please add the css given below to ( Appearance > Customize > Additional CSS ) field.
@media (max-width: 575px){
body.computer_services-template-default.single.single-computer_services .row {
display: flex;
flex-direction: column;
}
body.computer_services-template-default.single.single-computer_services .col-md-4.col-lg-3 {
display: flex;
flex-direction: column;
order: 3;
}
}
