notesnook/packages/editor-mobile/public/styles.css

.ProseMirror p.is-editor-empty:first-child::before {
  color: var(--placeholder);
  content: attr(data-placeholder);
  float: left;
  height: 0;
  pointer-events: none;
}

.ProseMirror code:not(pre code) {
  background-color: var(--bgSecondary);
}

.ProseMirror code:not(pre code) {
  background-color: var(--bgSecondary);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 3px 5px 0px 5px;
  font-family: ui-monospace, SFMono-Regular, SF Mono, Consolas, Liberation Mono,
    Menlo, monospace !important;
  font-size: 10pt !important;
}

.ProseMirror li p {
  margin: 0px;
}

.ProseMirror li {
  margin-bottom: 5px;
}

.ProseMirror a {
  color: var(--primary);
  cursor: pointer;
}

.ProseMirror a:hover {
  filter: brightness(70%);
}

.ProseMirror {
  position: relative;
}
.ProseMirror {
  word-wrap: break-word;
  white-space: pre-wrap;
  white-space: break-spaces;
  -webkit-font-variant-ligatures: none;
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0; /* the above doesn't seem to work in Edge */
}
.ProseMirror [contenteditable="false"] {
  white-space: normal;
}
.ProseMirror [contenteditable="false"] [contenteditable="true"] {
  white-space: pre-wrap;
}
.ProseMirror pre {
  white-space: pre-wrap;
}
img.ProseMirror-separator {
  display: inline !important;
  border: none !important;
  margin: 0 !important;
  width: 1px !important;
  height: 1px !important;
}
.ProseMirror-gapcursor {
  display: none;
  pointer-events: none;
  position: absolute;
  margin: 0;
}
.ProseMirror-gapcursor:after {
  content: "";
  display: block;
  position: absolute;
  top: -2px;
  width: 20px;
  border-top: 1px solid var(--text);
  animation: ProseMirror-cursor-blink 1.1s steps(2, start) infinite;
}
@keyframes ProseMirror-cursor-blink {
  to {
    visibility: hidden;
  }
}
.ProseMirror-hideselection *::selection {
  background: transparent;
  color: var(--text);
}
.ProseMirror-hideselection *::-moz-selection {
  background: transparent;
  color: var(--text);
}
.ProseMirror-hideselection * {
  caret-color: transparent;
}
.ProseMirror-focused .ProseMirror-gapcursor {
  display: block;
}
.tippy-box[data-animation="fade"][data-state="hidden"] {
  opacity: 0;
}

.ProseMirror li.node-taskItem {
  list-style-type: none;
}

.ProseMirror table {
  border-collapse: collapse;
  margin: 0;
  overflow: hidden;
  table-layout: fixed;
}

.ProseMirror table td,
.ProseMirror table th {
  border: 1px solid var(--border);
  box-sizing: border-box;
  min-width: 1em;
  padding: 3px 5px;
  position: relative;
  vertical-align: top;
}

.ProseMirror table td > *,
.ProseMirror table th > * {
  margin-bottom: 0;
}

.ProseMirror table th {
  background-color: var(--bgSecondary);
  font-weight: bold;
  text-align: left;
}

.ProseMirror table .selectedCell:after {
  background: var(--primary);
  content: "";
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  pointer-events: none;
  position: absolute;
  z-index: 2;
  opacity: 0.2;
}

.ProseMirror table .column-resize-handle {
  background-color: var(--primary);
  bottom: -2px;
  position: absolute;
  right: -2px;
  pointer-events: none;
  top: 0;
  width: 5px;
}

.ProseMirror table p {
  margin: 0;
}

.tableWrapper {
  /* padding: 1rem 0; */
  overflow-x: auto;
}

.resize-cursor {
  cursor: ew-resize;
  cursor: col-resize;
}

.drop-cursor {
  background-color: var(--text) !important;
}

.search-result {
  background-color: var(--disabled);
}

.line-number-widget,
.line-number::before {
  color: var(--codeFg);
  pointer-events: none;
  border-right: 1px solid currentColor;
  margin-right: 10px;
  padding-right: 10px;
}

.line-number::before {
  content: attr(data-line);
}

.line-number.active::before,
.line-number-widget.active {
  color: var(--codeHighlight);
}

.line-number.active:after,
.line-number-widget.active:after {
  content: " ";
  width: 100%;
  position: absolute;
  left: 0;
  pointer-events: none;
  background-color: var(--overlay);
}

pre::selection,
pre *::selection {
  background-color: var(--codeSelection) !important;
  color: currentColor;
}

.hide-scrollbar::-webkit-scrollbar {
  display: none;
}

.ProseMirror blockquote {
  border-left: 5px solid var(--border);
  padding-left: 15px;
}

/****************************************************************/
/* Styles taken from https://github.com/curvenote/prosemirror-codemark/blob/main/src/codemark.css */
/****************************************************************/

@keyframes blink {
  49% {
    border-color: unset;
  }
  50% {
    border-color: #fff;
  }
  99% {
    border-color: #fff;
  }
}
.no-cursor {
  caret-color: transparent;
}
div:focus .fake-cursor,
span:focus .fake-cursor {
  margin-right: -1px;
  border-left-width: 1px;
  border-left-style: solid;
  animation: blink 1s;
  animation-iteration-count: infinite;
  position: relative;
  z-index: 1;
}

/*******************************************/
/* MATH STYLES */
/*******************************************/

/*---------------------------------------------------------
 *  Author: Benjamin R. Bray
 *  License: MIT (see LICENSE in project root for details)
 *--------------------------------------------------------*/

/* == Math Nodes ======================================== */

.math-node {
  min-width: 1em;
  min-height: 1em;
  font-size: 0.95em;
  font-family: "Consolas", "Ubuntu Mono", monospace;
  cursor: auto;
}

.math-node.empty-math .math-render::before {
  content: "(empty)";
  color: red;
}

.math-node .math-render.parse-error::before {
  content: "(math error)";
  color: red;
  cursor: help;
}

.math-node.ProseMirror-selectednode {
  outline: none;
}

.math-node .math-src {
  display: none;
  color: var(--text);
  tab-size: 4;
}

.math-node.ProseMirror-selectednode .math-src {
  display: inline;
}
.math-node.ProseMirror-selectednode .math-render {
  display: none;
}

/* -- Inline Math --------------------------------------- */

.math-inline {
  display: inline;
  white-space: nowrap;
}

.math-inline .math-render {
  display: inline-block;
  /* font-size: 0.85em; */
  cursor: pointer;
}

.math-inline .math-src .ProseMirror {
  display: inline;
  /* Necessary to fix FireFox bug with contenteditable, https://bugzilla.mozilla.org/show_bug.cgi?id=1252108 */
  border-right: 1px solid transparent;
  border-left: 1px solid transparent;
  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas,
    Liberation Mono, monospace !important;
}

.math-inline.ProseMirror-selectednode {
  background-color: var(--bgSecondary);
  padding: 3px;
  border-radius: 5px;
  border: 1px solid var(--border);
}

.math-inline .math-src::after,
.math-inline .math-src::before {
  content: "$$";
  color: var(--disabled);
}

/* -- Block Math ---------------------------------------- */

.math-block {
  display: block;
}

.math-block .math-render {
  display: block;
}

.math-block.ProseMirror-selectednode {
  background-color: var(--bgSecondary);
  padding: 10px;
  border-radius: 5px;
  border: 1px solid var(--border);
}

.math-block .math-src .ProseMirror {
  width: 100%;
  display: block;
  margin-top: 10px;
  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas,
    Liberation Mono, monospace !important;
}

/* .math-block .math-src::after, */
.math-block .math-src::before {
  content: "Math";
  text-align: left;
  color: var(--disabled);
  margin-bottom: 10px;
}

.math-block .katex-display {
  margin: 0;
}

/* -- Selection Plugin ---------------------------------- */

/* p::selection,
p > *::selection {
  background-color: #c0c0c0;
}
.katex-html *::selection {
  background-color: none !important;
}

.math-node.math-select .math-render {
  background-color: #c0c0c0ff;
}
.math-inline.math-select .math-render {
  padding-top: 2px;
} */