@wordpress/block-library/build-style/paragraph/editor.css

Block library for the WordPress editor.

.block-editor-block-list__block[data-type="core/paragraph"].has-drop-cap:focus {
  min-height: auto !important;
}

.block-editor-block-list__block[data-empty=true] [data-rich-text-placeholder] {
  opacity: 1;
}

.block-editor-block-list__block[data-empty=true] + .block-editor-block-list__block[data-empty=true]:not([data-custom-placeholder=true]) [data-rich-text-placeholder] {
  opacity: 0;
}

.block-editor-block-list__block[data-type="core/paragraph"].has-text-align-right[style*="writing-mode: vertical-rl"],
.block-editor-block-list__block[data-type="core/paragraph"].has-text-align-left[style*="writing-mode: vertical-lr"] {
  rotate: 180deg;
}

.is-zoomed-out .block-editor-block-list__block[data-empty=true] [data-rich-text-placeholder] {
  opacity: 0;
}