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How to apply styles to specific component in next js.

Iridescent shark posted this in #help-forum
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Iridescent sharkOP
I have a component that displays markdown.
"use client"
import React, { useEffect, useState } from 'react'
import './styles.css'
import { markdownToHtml } from '@/lib/helper-utils';

interface MarkDownProps {
  markdown: string;

const MarkDown: React.FC<MarkDownProps> = ({ markdown }) => {

  const [htmlContent, setHtmlContent] = useState<string>();

  useEffect(() => {
    const processMarkdown = async () => {
      const html = await markdownToHtml(markdown);
  }, []);

  if (!htmlContent) return <><p>Loading content...</p></>

  return (
    <div dangerouslySetInnerHTML={{ __html: htmlContent }} />

export default MarkDown

Also I have styles in css file which I want to apply only to html content of this component. How I can add them so they are not apply to anything outside of this component? Some of styles are not classes.
pre[class*="language-"] {
    color: #393A34;
    font-family: "Consolas", "Bitstream Vera Sans Mono", "Courier New", Courier, monospace;
    direction: ltr;
    text-align: left;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
    font-size: .9em;
    line-height: 1.2em;

    -moz-tab-size: 4;
    -o-tab-size: 4;
    tab-size: 4;

    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;

11 Replies

joulev & fuma pray for Schneider
.content code[class*="language-"],
.content pre[class*="language-"] {

and use className="content" in the component
Iridescent sharkOP
I tried to use module css but I says that I can't use styles that applied to html element, only class name
The only working way is to add .class before styles? There are ~ 50 different styles
joulev & fuma pray for Schneider
oh yeah i forgot about this
look at css nesting solutions, like scss or postcss nesting
if you are using tailwind, [it has first class support of css nesting](
Iridescent sharkOP
Thank you, I tried scss +
.markdown_content {

+ classname = "markdown_content" and it works fine, but if I try to rename it to module and use as className={styles.markdown_content}, for some reason some styles for child html elements are not applied
joulev & fuma pray for Schneider
About the module css part, what do you mean by “some styles for child html elements are not applied”?
Iridescent sharkOP
thank you but I considered to switch to mdx which is more easy to setup