.ProseMirror {
  --indent-step: 2rem;
}

.ProseMirror [data-indent="1"] { padding-inline-start: calc(var(--indent-step) * 1); }
.ProseMirror [data-indent="2"] { padding-inline-start: calc(var(--indent-step) * 2); }
.ProseMirror [data-indent="3"] { padding-inline-start: calc(var(--indent-step) * 3); }
.ProseMirror [data-indent="4"] { padding-inline-start: calc(var(--indent-step) * 4); }
.ProseMirror [data-indent="5"] { padding-inline-start: calc(var(--indent-step) * 5); }
.ProseMirror [data-indent="6"] { padding-inline-start: calc(var(--indent-step) * 6); }
.ProseMirror [data-indent="7"] { padding-inline-start: calc(var(--indent-step) * 7); }
.ProseMirror [data-indent="8"] { padding-inline-start: calc(var(--indent-step) * 8); }
.ProseMirror [data-indent="9"] { padding-inline-start: calc(var(--indent-step) * 9); }
.ProseMirror [data-indent="10"] { padding-inline-start: calc(var(--indent-step) * 10); }