@uiw/react-md-editor/esm/components/TextArea/index.less

A markdown editor with preview, implemented with React.js and TypeScript.

@md-editor:~ "w-md-editor";

.@{md-editor} {
  &-aree {
    overflow: auto;
    border-radius: 5px;
  }
  &-text {
    min-height: 100%;
    position: relative;
    text-align: left;
    white-space: pre-wrap;
    word-break: keep-all;
    overflow-wrap: break-word;
    box-sizing: border-box;
    padding: 10px;
    margin: 0;
    font-size: 14px;
    line-height: 18px;
    font-variant-ligatures: common-ligatures;
    &-pre,
    &-input,
    & > &-pre {
      margin: 0;
      border: 0;
      background: none;
      box-sizing: inherit;
      display: inherit;
      font-family: inherit;
      font-size: inherit;
      font-style: inherit;
      font-variant-ligatures: inherit;
      font-weight: inherit;
      letter-spacing: inherit;
      line-height: inherit;
      tab-size: inherit;
      text-indent: inherit;
      text-rendering: inherit;
      text-transform: inherit;
      white-space: inherit;
      overflow-wrap: inherit;
      word-break: inherit;
      word-break: normal;
      padding: 0;
      > code {
        font-family: inherit;
      }
    }
    &-pre {
      position: relative;
      margin: 0px !important;
      pointer-events: none;
      background-color: transparent !important;
      > code {
        padding: 0 !important;
        font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif !important;
        font-size: 14px !important;
        line-height: 18px !important;
      }
    }
    &-input {
      position: absolute;
      top: 0px;
      left: 0px;
      height: 100%;
      width: 100%;
      resize: none;
      color: inherit;
      overflow: hidden;
      outline: 0;
      padding: inherit;
      -webkit-font-smoothing: antialiased;
      -webkit-text-fill-color: transparent;
      &:empty {
        -webkit-text-fill-color: inherit !important;
      }
    }
    &-pre,
    &-input {
      word-wrap: pre;
      word-break: break-word;
      white-space: pre-wrap;
    }
  }
}
/**
 * Hack to apply on some CSS on IE10 and IE11
 */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
  /**
    * IE doesn't support '-webkit-text-fill-color'
    * So we use 'color: transparent' to make the text transparent on IE
    * Unlike other browsers, it doesn't affect caret color in IE
    */
  .@{md-editor}-text-input {
    color: transparent !important;
    &::selection {
      background-color: #accef7 !important;
      color: transparent !important;
    }
  }
}

.@{md-editor}-text-pre {
  .punctuation {
    color: var(--color-prettylights-syntax-comment) !important;
  }
  .token.url,
  .token.content {
    color: var(--color-prettylights-syntax-constant) !important;
  }
  .token.title.important {
    color: var(--color-prettylights-syntax-markup-bold);
  }
  .token.code-block .function {
    color: var(--color-prettylights-syntax-entity);
  }
  .token.bold {
    font-weight: unset !important;
  }
  .token.title {
    line-height: unset !important;
    font-size: unset !important;
    font-weight: unset !important;
  }
  .token.code.keyword {
    color: var(--color-prettylights-syntax-constant) !important;
  }
  .token.strike,
  .token.strike .content {
    color: var(--color-prettylights-syntax-markup-deleted-text) !important;
  }
}