tyqngp/core/extend/ueditor/themes/iframe.css

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  font-size: 14px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

a {
  color: #09f;
  text-decoration: none;
}

a:hover,
a:focus {
  color: #09f;
  text-decoration: none;
}

blockquote {
  padding: 0 0 0 15px;
  margin: 0 0 18px;
  border-left: 5px solid #EEE;
}

img + br {
  display: block;
  padding: 4px 0;
  content: ' ';
}

body p {
  margin-bottom: 1em;
}

iframe {
  border: none;
}

img {
  max-width: 100%;
}

img[data-word-image]{
  cursor: pointer;
}

pre {
  margin: .5em 0;
  padding: .4em .6em;
  border-radius: 8px;
  background: #f8f8f8;
  line-height: 1.5;
}