@media (max-width: 782px) {
    .post-type-nextgen_proof #nextgen_proof_metabox img {
        max-width: 150px;
        height: auto;
    }
    .post-type-nextgen_proof #nextgen_proof_metabox td:nth-of-type(1), 
    .post-type-nextgen_proof #nextgen_proof_metabox th:nth-of-type(1) {
        padding-left: 0;
    }
    .post-type-nextgen_proof #nextgen_proof_metabox td:nth-of-type(2), 
    .post-type-nextgen_proof #nextgen_proof_metabox th:nth-of-type(2) {
        display: none;
    }
}