@media screen and (min-width:10px) and (max-width:768px) and (orientation:portrait) {

#block-system-main > div > div > div > div > div.views-row.views-row-2.views-row-even.views-row-last > div.views-field.views-field-field-vertical-exhibition-image > div > div > a > img {
width: 94vw;  
height: auto;
}

.exfull img {
    width: 94vw !important;
    height: auto;


}