.testimonial-txt{
    padding: 15px;
}
.testimonial-txt p:last-child{
    margin-bottom: 0;
}
.testimonials-square-row{
    margin: -8px;
}
.testimonials-square-row > *{
    padding: 8px;
}
@media (min-width:992px){
    .testimonials-square-row{
        margin: -15px;
    }
    .testimonials-square-row > *{
        padding: 15px;
    }
}