github.com/ngocphuongnb/tetua@v0.0.7-alpha/packages/editor/assets/style.css

/** Common **/
/* html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Liberation Sans",
    sans-serif;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Liberation Sans",
    sans-serif;
  max-width: 100vw;
  padding:0;
}

* {
  box-sizing: border-box;
}

.container {
  width: 800px;
  margin: 20px auto;
} */

/** Prosemirror **/
.ProseMirror > * + * {
  margin-top: 0.75em;
}
.ProseMirror-selectednode {
  outline: 3px solid #68cef8;
}
.ProseMirror > *:first-child {
  margin-top: 0;
}
.ProseMirror > *:last-child {
  margin-bottom: 0;
}
.ProseMirror pre {
  /* background: rgb(30, 30, 30); */
  background: #f6f8fa;
  border-radius: 0.25rem;
  /* color: #fff; */
  font-family: JetBrainsMono, monospace;
  padding: 0.75rem 1rem;
}
.ProseMirror pre code {
  background: none;
  color: inherit;
  font-size: 0.8rem;
  padding: 0;
}
.ProseMirror .is-empty::before {
  content: attr(data-placeholder);
  float: left;
  color: #ced4da;
  pointer-events: none;
  height: 0;
}

/** Editor **/
.mely-editor {
  position: relative;
  border: 1px solid var(--b-line);
  border-radius: 0.25rem;
  transition: all 0.2s;
  max-width: 100%;
  padding: 5px;
  background: #fff;
  margin-bottom: 20px;
}
.mely-editor.mely-editor-small .mely-editor-menu-container {
  display: block;
}
.mely-editor.mely-editor-small .mely-editor-menu-container > label.switch {
  padding: 0 15px;
  text-align: right;
  justify-content: flex-end;
}
.mely-editor.mely-editor-small .mely-editor-menu-container .mely-editor-menu {
  align-items: flex-end;
}
.mely-editor.mely-editor-small label[for="use-markdown"] {
  padding: 0 6px;
  text-align: right;
  justify-content: flex-end;
}
.mely-editor.focused {
  border-color: rgb(89, 164, 222);
  box-shadow: rgb(0 116 204 / 15%) 0px 0px 0px 4px;
  outline: 0;
}
.mely-editor *:focus {
  outline: none;
  box-shadow: none;
}

.mely-editor-content {
  padding: 10px 15px;
  border-radius: 5px;
  position: relative;
  background: #fff;
}

.mely-editor-content::-webkit-scrollbar-track {
  border-radius: 10px;
  background-color: transparent;
}

.mely-editor-content::-webkit-scrollbar-thumb {
  border-radius: 10px;
  background-color: #ccc;
}

.mely-editor-content::-webkit-scrollbar-corner {
  background-color: transparent;
  border-color: transparent;
}

.mely-editor-content::-webkit-scrollbar {
  width: 10px;
  height: 10px;
  background-color: transparent;
}

.mely-editor-content > * {
  width: 100%;
  max-width: 100%;
  margin-bottom: 20px;
}

.mely-editor-content > textarea {
  height: 100%;
  margin: 0;
  font: 12pt / normal "Monaco", "Menlo", "Ubuntu Mono", "Consolas",
    "source-code-pro", monospace;
}
.element {
  min-height: 500px;
  width: 600px;
  margin: auto;
}
.ProseMirror,
.mely-editor-content textarea {
  border: none;
  outline: none;
  box-shadow: none;
  height: 100%;
  min-height: 300px;
}
.mely-editor-menu-container {
  position: sticky;
  top: 0;
  z-index: 9;
  display: flex;
  align-items: center;
  width: 100%;
  background: #fff;
  min-height: 58px;
}

/** Table **/
.ProseMirror table {
  border-collapse: collapse;
  table-layout: fixed;
  width: 100%;
  margin: 0;
  overflow: hidden;
}
.ProseMirror table td,
.ProseMirror table th {
  box-sizing: border-box;
  position: relative;
}
.ProseMirror table td > *,
.ProseMirror table th > * {
  margin-bottom: 0;
}
.ProseMirror table th {
  font-weight: bold;
  text-align: left;
  background-color: var(--b-line);
}
.ProseMirror table .selectedCell:after {
  z-index: 2;
  position: absolute;
  content: "";
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgba(200, 200, 255, 0.4);
  pointer-events: none;
}
.ProseMirror table .column-resize-handle {
  position: absolute;
  right: -1px;
  top: 0;
  bottom: -2px;
  width: 4px;
  background-color: #adf;
  pointer-events: none;
}
.tableWrapper {
  overflow-x: auto;
}

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

/** Switch **/
.switch {
  position: relative;
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch .slider {
  position: relative;
  cursor: pointer;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: 0.4s;
  transition: 0.4s;
  border-radius: 34px;
  width: 44px;
  height: 24px;
  padding: 3px;
  display: inline-block;
}

.switch .slider:before {
  -webkit-transition: 0.4s;
  transition: 0.4s;
  border-radius: 50%;
  width: 50%;
  height: 100%;
  position: relative;
  display: block;
  content: "";
  width: 50%;
  height: 100%;
  left: 0;
  border-radius: 50%;
  background: #fff;
  transition: left 0.1s ease;
}

.switch input:checked + .slider {
  background-color: #2196f3;
}

.switch input:focus + .slider {
  box-shadow: 0 0 1px #2196f3;
}

.switch input:checked + .slider:before {
  left: 50%;
}

.switch {
  display: flex !important;
  align-items: center;
}

/** Code block **/
.mely-editor-content .code-block {
  position: relative;
}
.mely-editor-content .code-block select {
  position: absolute;
  top: 10px;
  right: 10px;
  width: auto;
  padding: 4px 10px 5px;
  font-size: 0.92rem;
  cursor: pointer;
}
.mely-editor-content .code-block.is-empty::before {
  display: none;
}
.code-block.is-empty pre {
  padding-bottom: 20px;
}

/** Task list **/
ul[data-type="taskList"] {
  list-style: none;
  padding: 0;
}
ul[data-type="taskList"] ul:last-child {
  margin-bottom: 0;
}
ul[data-type="taskList"] p {
  margin: 0;
}
ul[data-type="taskList"] li {
  display: flex;
}
ul[data-type="taskList"] li > label {
  flex: 0 0 auto;
  margin-right: 0.5rem;
  user-select: none;
}
ul[data-type="taskList"] li > div {
  flex: 1 1 auto;
}

/** Nav menu **/
.mely-editor-menu {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  padding: 10px;
  position: sticky;
  top: 0;
  z-index: 9999;
  /* background: #fff; */
  gap: 2px;
}
.mely-editor-menu > * {
  display: inline-block;
  cursor: pointer;
  border-radius: 0.25rem;
  margin-right: 3px;
}

.mely-editor-menu .btn {
  margin: 0;
  padding: 0;
  width: auto;
  height: 30px;
  background: transparent;
  border: none;
  color: currentColor;
  line-height: 10px;
  display: flex;
  min-width: 30px;
  align-items: center;
  position: relative;
  opacity: 1 !important;
  justify-content: center;
  border: 1px solid transparent;
}
.mely-editor-menu .btn:first-child {
  background: #eceff454;
}
.mely-editor-menu .btn:first-child:hover {
  background: var(--b-bg-2);
}
.mely-editor-menu > .btn:hover,
.mely-editor-menu .btn.active {
  background: var(--b-bg-2);
}
.mely-editor-menu .btn > svg {
  width: 24px;
  height: 24px;
  max-width: initial;
  position: relative;
}
.mely-editor-menu-container:before {
  content: "";
  background: #fff;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.mely-menu-fixed:after {
  background: radial-gradient(
    50% 50% at 50% 45%,
    rgba(0, 0, 0, 0.8) -200%,
    transparent 115%
  );
  content: "";
  height: 62px;
  left: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  right: 0;
  top: -112px;
  transform: translateZ(-1px);
  transition: top 1s ease, opacity 1.5s ease;
  opacity: 1;
  top: 0;
  transition: top 0.2s ease, opacity 0.1s ease;
}
.mely-editor-menu-buttons {
  flex-grow: 1;
}
label[for="use-markdown"] {
  padding-right: 10px;
  position: relative;
  z-index: 2;
}
/* .mely-editor-menu .btn.active.has-sub-menu {
    margin-left: 5px;
} */
.mely-editor-dropdown {
  display: none;
  position: absolute;
  text-align: left;
  z-index: 99999999;
  opacity: 1;
  top: 30px;
  right: 0;
  background-color: #fff !important;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  box-shadow: 0 0 2px 0 rgb(34 47 62 / 20%), 0 4px 8px 0 rgb(34 47 62 / 15%);
  overflow: hidden;
  vertical-align: top;
  padding: 0.3rem 0;
}
.mely-editor-dropdown-trigger:hover .mely-editor-dropdown {
  display: block;
}
.mely-editor-dropdown button {
  background: transparent;
  color: #000;
  display: block;
  width: 100%;
  text-align: left;
  font-size: 0.95rem;
}
.mely-editor-dropdown button:hover {
  background: var(--b-line);
}
.mely-editor-dropdown-trigger {
  width: 18px;
  height: 30px;
  position: relative;
  line-height: 26px;
}
.mely-editor-dropdown-trigger > svg:first-child {
  height: 30px;
}

.mely-editor-menu > .btn.has-sub-menu:hover,
.mely-editor-menu .btn.has-sub-menu.active {
  border-color: var(--b-bg-2);
  background: transparent;
}
.mely-editor-menu > .btn.has-sub-menu:hover > *:hover {
  background-color: var(--b-bg-2);
}
.mely-editor-menu > .btn.has-sub-menu:hover > svg,
.mely-editor-menu .btn.has-sub-menu.active > svg {
  background: var(--b-bg-2);
}
button.btn.has-sub-menu > svg:first-child {
  padding: 0 3px 0 3px;
  width: 30px;
  height: 30px;
}

/** Bubble */
.tippy-box[data-theme~="light"] {
  box-shadow: 0 0 20px 4px rgb(154 161 177 / 15%),
    0 4px 80px -8px rgb(36 40 47 / 25%), 0 4px 4px -2px rgb(91 94 105 / 15%) !important;
}
.tippy-content {
  padding: 5px;
}
[data-tippy-root] {
  max-width: calc(100vw - 10px);
  width: auto;
}
.mely-tiptap-editor[hidden] + [data-tippy-root] {
  visibility: hidden !important;
  display: none !important;
}
.mely-bubble.mely-bubble-inline {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mely-editor-bubble-content {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.mely-editor-bubble-inline-actions {
  display: flex;
  justify-content: right;
  gap: 5px;
  align-items: flex-end;
}

/** Node view block **/
.mely-editor-block {
  text-align: center;
  border: 1px solid transparent;

  margin: 20px 0;
  font-size: initial;
  font-weight: initial;
}
.mely-editor-block.block-img.uploading {
  position: relative;
}

.mely-editor-block.block-img.uploading:before {
  content: "Uploading...";
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgb(0 0 0 / 82%);
  left: 0;
  top: 0;
  color: #fff;
  border-radius: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mely-editor-block:hover {
  box-shadow: rgb(0 116 204 / 15%) 0px 0px 0px 4px;
}
.mely-editor-block-view {
  background: var(--b-bg-2);
  padding: 10px;
}

.mely-editor-block-view input {
  background: #fff;
  caret-color: initial;
  line-height: 1;
  padding: 0.25rem 0.75rem;
}

.mely-editor-block-view p {
  margin: 5px 0;
  color: #666;
}

/** Image plugin **/
.mely-editor-block.block-img img {
  margin: auto;
  display: block;
}
.mely-editor-block.block-img img[src=""] {
  display: none;
}
.mely-editor-block.block-img img[src]:not([src=""]) + .mely-editor-block-view {
  display: none;
}
.mely-editor-img-url {
  display: flex;
  gap: 10px;
}

/** Iframe **/
.mely-editor-block.block-iframe iframe {
  margin: auto;
  display: block;
}
.mely-editor-block.block-iframe iframe[src=""] {
  display: none;
}
.mely-editor-block.block-iframe
  iframe[src]:not([src=""])
  + .mely-editor-block-view {
  display: none;
}
.mely-editor-iframe-src {
  display: flex;
  gap: 10px;
}

/** Editor content **/
th > *:last-child,
td > *:last-child {
  margin-bottom: 0;
}
th {
  text-align: left;
  vertical-align: bottom;
  white-space: nowrap;
  background-color: var(--b-bg-2);
  line-height: 1.15384615;
}
td,
th {
  padding: 0.5rem 0;
  border-top: 1px solid var(--b-line);
  border-left: 1px solid var(--b-line);
  border-right: 1px solid var(--b-line);
  padding: 8px;
}

@media only screen and (max-width: 490px) {
  .mely-editor-menu-container {
    display: block;
  }
  label[for="use-markdown"] {
    padding: 0 6px;
    text-align: right;
    justify-content: flex-end;
  }
}