.maincontent {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    border: none;
}

.svc-catalog-left {
    width: 55%;
}
.svc-catalog-right {
    width: 45%;
}

@media (max-width: 1400px) {
    .svc-catalog-left,
    .svc-catalog-right {
        width: 100%;
    }
}