.scenarios-content-full-page-image img {
    width: 100%;
}
@media screen and (max-width: 991px) {
 .scenario-block:nth-of-type(3n+1) {
    padding-left: 1.5em;
 }
 .scenario-block:last-of-type, 
 .scenario-block:nth-of-type(3n+3) {
    padding-right: 1.5em;
 }
}