code[class*="language-"],
pre[class*="language-"] {
  font-size: 14px;
  max-width: 100%;
  word-wrap: break-word;
  word-break: break-all;
}

pre[class*=language-] {
  margin-bottom: 30px;
}

code[class*="language-"],
pre[class*="language-"] {
  font-size: 14px;
  max-width: 100%;
  word-wrap: break-word;
  word-break: break-all;
}

pre[class*="language-"] {
  margin-bottom: 30px;
}

Correct quoting on attribute selector
Correct quoting on attribute selector
