markdown.css

body {
  font-family: cordova, Verdana, Geneva, Tahoma, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  background-color: white;
  padding: 20px;        
  color: #333;
}

body, body * {
  background-color: white !important;
  color: black;
}

pre {
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box;
  margin-bottom: -1.25em !important;
}

pre div {
  padding: 10px;
  background-color: #eee !important;
  border-radius: 2px;
  overflow: auto;
}

pre code * {
  color: black !important;
  background-color: #eee !important;
}