.post-content h1:not([class*=is-style]):not([class*=wp-block-post-title]), .post-content h1.is-style-default, .post-content h2:not([class*=is-style]):not([class*=wp-block-post-title]), .post-content h2.is-style-default, .post-content h3:not([class*=is-style]):not([class*=wp-block-post-title]), .post-content h3.is-style-default {
  padding-left: 14px;
  color: inherit;
  border-left-width: 2px;
  border-left-style: solid;
}
.post-content h1:not([class*=is-style]):not([class*=wp-block-post-title]), .post-content h2:not([class*=is-style]):not([class*=wp-block-post-title]) {
  border-left-color: var(--ns-color-heading);
}
.post-content h3:not([class*=is-style]), .post-content h3.is-style-default {
  border-left-color: #999999;
}