.wp-block-post-content-is-layout-constrained {
    max-width: 1200px;
    margin: auto;
}

/* Default paddings – can be overridden from plugin settings via inline CSS. */
.contentHolder {
    padding-right: 50px;
    padding-left: 50px;
}

.html-area {
    padding-right: 20px;
    padding-left: 20px;
}

.content-two-Holder {
    padding-right: 50px;
    padding-left: 50px;
}