h1:where(.wp-block-heading).has-background,
h2:where(.wp-block-heading).has-background,
h3:where(.wp-block-heading).has-background,
h4:where(.wp-block-heading).has-background,
h5:where(.wp-block-heading).has-background,
h6:where(.wp-block-heading).has-background {
    padding: 1.25em 2.375em
}

h1.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),
h1.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),
h2.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),
h2.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),
h3.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),
h3.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),
h4.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),
h4.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),
h5.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),
h5.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),
h6.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),
h6.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]) {
    rotate: 180deg
}