framework/less/common/TextEditor.less

.TextEditor .TextEditor-editor {
  border-radius: 0;
  padding: 0 0 10px;
  border: 0;
  resize: none;
  color: var(--text-color);
  font-size: 14px;
  line-height: 1.7;

  &, &:focus, &[disabled] {
    background: none;
    border: 0;
  }

  @media @phone {
    font-size: 16px; // minimum font-size required to prevent page zoom on focus in iOS 10
  }
}
.TextEditor-controls {
  margin: 0;
  padding: 10px 0;
  list-style-type: none;
  overflow-x: auto;
  white-space: nowrap;

  li {
    display: inline-block;
    margin-right: 10px;
  }
}
.TextEditor-toolbar {
  .Button--icon {
    width: 28px;
  }
}

@media @tablet-up {
  .TextEditor-controls {
    margin: 0 -20px 0 -105px;
    padding: 10px 20px;
    border-top: 1px solid var(--control-bg);

    .fullScreen & {
      margin: 0;
      border-top: 0;
      padding: 20px 0;
    }
  }
}