<head>
<style>
html {
  font-size: small;
  background-color: #F0F0F0;
  color: blue;
}

blockquote {
  background-color: skyblue;
  color: red;
  color: revert;
}
</style>
</head>
<body>
<blockquote id="quote">This text should be blue.</blockquote>
</body>
</html>