.heading-block {
    margin-inline: auto;
    padding-block: 24px;
    width: 100%;
    flex-basis: 100%;
}
@media (min-width: 991.8px) {
    .heading-block {
        padding-block: 48px;
        width: calc(100% - 450px);
        flex-basis: calc(100% - 450px);
        margin-left: auto;
        margin-right: 0;
    }
}