Comment ajouter facilement des CSS personnalisés à votre site WordPress

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1. Qasim Saeed

   Hello if I want to add a custom CSS on a specific page without any plugin then what? I think we add this via function? can you please tell me how to add CSS via functions.php and what is the best and secure way to add CSS for a specific page

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   • WPBeginner Support

     You do not need to use functions to add CSS to specific pages, you would target the specific page in your CSS selector to have it only affect a single page on your site.

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     Administrateur

2. Jiří Vaněk

   Is it better to insert your own CSS in WordPress using a template or using WPCode?

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   • WPBeginner Support

     Both options are valid choices it depends on personal preference and if the theme has the option in the editor.

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     • Jiří Vaněk

       Thanks for the clarification, I wasn’t sure if, for example, a snippet using WPCode would be faster for the site’s response than integrating it into the template itself. So if it doesn’t matter, I’ll probably stick to best practice and keep it integrated in the template.

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3. Bavi

   The adding of css is no longer available for free plan any alternatives??

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   • WPBeginner Support

     Our tutorials are for WordPress.org sites, we do not have specifics for WordPress.com at the moment. We would recommend taking a look at our guide below for the comparison between the two and if you wanted to look to transfer your site from WordPress.com to a self hosted WordPress.org site.

     https://www.wpbeginner.com/beginners-guide/self-hosted-wordpress-org-vs-free-wordpress-com-infograph/

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     Administrateur

4. Ben

   I never knew about the example.com/wp-admin/customize.php « trick ». Thanks! Worked like a charm!

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   • WPBeginner Support

     Glad we could share this trick with you!

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5. Dani

   Hi there,

   I want to add custom CSS, but how can i remove it if smth goes wrong?

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6. Bogdan

   Hey, this article is very good. One question though: Don’t I have to see the HTML page to add custom CSS? How do I add custom CSS if I don’t know the selectors and all of that?

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   • WPBeginner Support

     We have a guide on using Inspect element that you can take a look at below for how to find the selectors:

     https://www.wpbeginner.com/wp-tutorials/basics-of-inspect-element-with-your-wordpress-site/

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     Administrateur

7. cymon

   I am a new blogger. Is there a way to add page specific CSS code?

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   • WPBeginner Support

     You would need to add the page ID as part of the CSS but yes you can.

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     Administrateur

8. Jitin Mishra

   Great article to add custom CSS in WordPress website. We are looking forward to such more informative posts

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   • WPBeginner Support

     Glad you found our guide helpful

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     Administrateur

9. Mohsin

   I want to change my WordPress menu to mega menu with coding. Can i convert my website menu to mega menu using html, css and js? I don’t want to use a plugin for this work. If we add new functionality to WordPress website with custom coding, what are the best practices for which this custom work did not go ahead by updating theme or WordPress. Thanks!

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   • WPBeginner Support

     You would want to create a child theme to keep your changes safe but you may need some PHP coding. We have a guide on creating a child theme you can take a look at below:
     https://www.wpbeginner.com/wp-themes/how-to-create-a-wordpress-child-theme-video/

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     Administrateur

10. vijay v

    can we add external CSS file( by moving custom CSS) to increase page speed( after I added custom CSS it decreased loading speed), if yes how to do it?

    thank you in advance

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    • WPBeginner Support

      If we are understanding what you are looking for correctly, you would want to take a look at our article below:
      https://www.wpbeginner.com/wp-tutorials/how-wordpress-plugins-affect-your-sites-load-time/

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      Administrateur

11. billy king

    Is « unorthodox » CSS allowed in Child Theme or Custom CSS?

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    • WPBeginner Support

      As long as the CSS targets what is on your site you can use any CSS you like.

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      Administrateur

12. Latonya Moore

    This is great but is there a way to only add css to one page? Example I only was to show or hide by hover or mouseover on one text.

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    • WPBeginner Support

      You would either need to add a CSS class to the specific object or add the page ID to your CSS to limit it to that specific page. For how to find that information you would want to take a look at our article below on how to use inspect element:
      https://www.wpbeginner.com/wp-tutorials/basics-of-inspect-element-with-your-wordpress-site/

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      Administrateur

13. shiva

    I have made some Changes in my website by editing some css codes in theme editor. What will happen if I update my wordpress to next version. Does it get error or gets back to base theme or my code will appear even after updating my wordpress just like before updation.

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    • WPBeginner Support

      If you added your CSS in the Appearance>Customizer>Additional CSS area then your CSS changes will remain when you update your site.

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14. Jo

    I have not quite finished building my website, but have updated from the free version so I can use css to make changes. My site is not yet live. With the upgrade to the premium version the update button has now changed to publish. Does this mean that when I click on publish to save any changes it will make my site live?
    Also, I can’t remember which theme I used, how do I find out which theme I am using?
    Thanks

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    • WPBeginner Support

      It sounds like you are on WordPress.com, if you publish a post then it will be viewable to those who can see your site. With WordPress.com for a private site you are limited to: https://en.support.wordpress.com/settings/privacy-settings
      You should be able to see the theme that is active under Appearance>Themes

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      Administrateur

15. Bruce William Taylor

    « The tab will slide to show you a simple box where you can add your custom CSS. As soon as you add a valid CSS rule, you will be able to see it applied on your website’s live preview pane. »

    I already know WHERE to add the CSS. How do I know what CSS to add? How do I know what the « valid CSS rules » are?

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    • WPBeginner Support

      Hey Bruce,

      For that you will need to learn some basic CSS. There are several websites that have step by step CSS tutorials for beginners. We recommend w3schools as they allow you to practice CSS with a live try it out box.

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      Administrateur

16. Ali

    Where is the Customize CSS Code storage because I have lost it while a transfer to a new hoster?

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17. mahaveer

    i want to add external css and add images in css…..

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18. Muhammad Adil

    What was the Bonus method?
    Is that any Plugin I didn’t get that. Will you please ask me ?
    Thanks

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19. Aditya Khuteta

    Hi there! I want to change the size of price text on my website becuase the price text is too small there. Please guide me to do so.
    Thanks

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20. Frank Lurz

    2 Questions:

    1. Just so I’m clear, « plugins » are substitutes for writing CSS, a difficult task for those of us who know nothing about CSS — is that right?

    2. Plugins listed for downloading on the WP plugins page are available for installation only to subscribers who have paid for the « Buisness » Plan, is that right?

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    • WPBeginner Support

      Hi Frank,

      1. No, plugins are not substitute for writing custom CSS. You can write custom CSS without installing plugins. Please see our guide on what are WordPress plugins and how do they work for more details.

      2. IF you are using WordPress.com, then yes you will need to upgrade to business plan. Please see our guide on the difference between self hosted WordPress.org vs free WordPress.com blog.

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      Administrateur

21. Annie Mitchell

    Hi,

    I am a novice when it comes to building and designing websites and have no knowledge of css. I am using the Sydney theme on my website – and I have somehow managed to turn my paragraph font white. I have googled and notice a gentleman had the same issue. He fixed it downloading a plugin and using a custom css however I have tried and had no luck.

    The css which he advised using is –

    .entry-page p, .entry-post p {
    color: black !important;
    margin: 0 !important;
    padding: 0 !important;
    }

    but I am not sure why it is not working for me. Any help would be much appreciated.

    Thanks,

    Annie

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    • WPBeginner Support

      Hi Annie,

      First we will recommend you to turn off all your WordPress plugins by deactivating them. After that, visit your website to see if this resolved your issue. If it did, then this means a setting in one of your plugins was causing the problem. If it doesn’t solve the issue, then try switching to a default theme like Twenty Seventeen. If that does fix your issue, then it means that some where in your theme you have changed the font settings.

      If nothing works out, then you can try this custom CSS:

      p { 
      color:#000; 
      }

      Hosted with ❤️ by WPCode

      
      1-click Use in WordPress

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22. Jose

    One of the plugins (Simple Custom CSS) hasn’t been updated for 2 years which in the world of Wordpress plugins is a very long time. This is a security risk so I would personally look for an alternative.

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23. Rebecca

    Hi
    Sorry i don’t know anything about css and I am trying to solve a problem with not being able to search for plugins, but that is another story! I am posting here now because i am getting this message when i go to appearance / edit css / aditional css

     » There is 1 error which must be fixed before you can save.
    Update anyway, even though it might break your site? »

    Is this something i shoudl worry about?

    the text in the box below it reads …

    and just here there is a red fullstop

    Hope someone can help.

    Thank you

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    • WPBeginner Support

      Hi Rebecca,

      You can copy the CSS and paste it in a text file and save it as backup. Now delete every thing in Additional CSS box and start adding your custom CSS one rule at a time until the error appears again. This will help you locate the error and fix it.

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      Administrateur

24. James

    This no longer works for free accounts. The CSS option is no longer there and you need a business account to install a relevant plugin.

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    • WPBeginner Support

      Hi James,

      You are probably using WordPress.com. Please see our guide on the difference between self hosted WordPress.org vs free WordPress.com blog.

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      Administrateur

25. scott

    Before WP version 4.9, I used to be able to cut and paste my custom CSS (from the WP customizer) and paste it into Windows Notepad (and it would keep the formatting. I did this often to save it as a back up when I was adding new custom CSS — in case I made a mistake.

    Now when pasting it in Notepad, it just runs all the CSS together without the line-by-line formatting in Notepad.

    Any idea why or how I can fix it? I already have « word wrap » mode set in Notepad.
    Thanks.

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    • WPBeginner Support

      Hi Scott,

      You can try saving the code in other text editors like Notepad++. If the problem persists, then try WordPress troubleshooting tips.

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      Administrateur

26. Joe MacMillan

    This site is really good. My site didn’t have any link colors so I used this code /* unvisited link blue */
    a:link {
    Color: #196380;
    }

    /* visited link green */
    a:visited {
    color: #248f24;
    }

    /* mouse over link orange */
    a:hover {
    color: #ff3300;
    }

    /* selected link red*/
    a:active {
    color: #cc0000;
    }

    but it turned colors on for everything that is a link such as menu’s into a color.

    I only want the colors for linking.

    I would appreciate any help with this. Thanks

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    • WPBeginner Support

      Hi Joe,

      In your CSS, you didn’t define which areas should have links in these colors, which makes them apply to entire body. To figure out which areas you need to target, you will need to use the Inspect Tool to find out the CSS class used by your theme for the content block.

      Let’s suppose the content block in your theme has a css class site-content, you will use it in your CSS like this:

      .site-content a:link {
      color: #196380; 
      }  
      
      .site-content a:visited {
      color: #248f24;
      }
      
      .site-content a:active { 
      color: #cc0000;
      }  
      
      .site-content a:hover { 
      color: #ff3300;
      }
      

      Hosted with ❤️ by WPCode

      
      1-click Use in WordPress

      Hope this helps

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      Administrateur

27. Rob

    I love your site!

    Thanks for all the helpful articles.

    I have a question regarding my wordpress premium plan.

    I want to add the following script to my site.

    var refTagger = {
    settings: {
    bibleVersion: « NKJV »
    }

    Can I add this to the custom css?

    I don’t have the ability to access the header or footer in this plan

    Thanks,

    Rob

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    • WPBeginner Support

      Hi Rob,

      Nope, you cannot. Please see our guide on the difference between self hosted WordPress.org vs free WordPress.com blog.

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      Administrateur

28. sammy

    this is really a great article, i will have to start learning how to make my own css for my site

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29. Thomas

    Hello,

    this feature isn’t active for the site admin on a multisite WordPress network.
    Do you think that activating it for site admin (with this plugin for example:) would create a security issue?

    Thank you!

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    • WPBeginner Support

      Hey Thomas,

      Yes you can use a plugin to add custom CSS.

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      Administrateur

      • Thomas

        Hi,

        yes I know (I have already used the very good Simple Custom CSS plugin), but I would prefer to use the native function since it is implemented in Wordpress.
        However, this function is only available for the network admin and not for the site admin on a multisite installation.
        The rights can be easily changed to allow site admin to add their own custom CSS in the customizer (with the native WP function) (see this plugin: http://www.wordpress.org/plugins/multisite-custom-css/), and I wonder if this would create a security issue (based on the assumption that I can’t trust site admin)?

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        • WPBeginner Support

          Hey Thomas,

          Sorry, we totally misunderstood your question

          We agree that will be a concern, this is why the feature is turned off. If you turn it on, then the users will be able to add unfiltered CSS. You should keep it switched off.

30. Brice

    I don’t know much about code so I’m just wondering if I make changes and click « save and publish », is there a way to get the original code back if I don’t like the changes or do I need to copy and save the original code in the event I want to restore it?

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31. Ruth Billheimer

    This is probably really naive, I don’t know much about code, so bear with me.. In the customise additional css, can you put in different things? I mean I have already put something in there that will change some of the colours. Now I want to put in something that will change the width of the page. (I am getting these bits of code from very helpful people, I know nothing!)
    So will both of these things work? Or can you only change one thing? It doesn’t look like the page width has changed

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32. Jos Schuurmans

    Hi there,

    It used to be possible to edit style.css from within WP admin, under the Appearance menu.

    On WP multisite it was through the network’s themes submenu. Has that feature been depricated?

    Cheers,
    Jos

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33. Judy

    Great post, thanks!

    Can anybody help me with this? I did a small customization on my logo using CSS Hero. Then I’ve copied these exact 9 strings of code into my Simple Custom CSS plugin, after deactivating CSS Hero. I thought I could reproduce the same CSS Hero customization on my logo using Simple Custom CSS, but instead it’s not working.

    I refreshed the page and cleared the cache, but the customization still doesn’t take effect. Why’s that?

    Thanks,

    Judy

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34. Robin

    This is all that is on my CSS Style Sheet.
    /*
    Welcome to custom CSS

    To learn how this works, see
    */

    Do I erase his and add my new font code? Help????

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    • WPBeginner Support

      Yes. These are just comments to help new users get started.

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      Administrateur

35. Paul H.

    OUTSTANDING PLUGIN!!!

    I spent much time trying to get the built in WP Editor to « style » my custom page, with no luck…

    I searched for a plugin to see if there was one and found yours… within minutes I’d installed your plugin and activated it, then input my CSS, clicked update and then refreshed my custom page… it’s perfect!

    A+++

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36. Ian

    Hi Guys,

    I’ve installed the Simple custom CSS plugin & activated it. I have a table created on one of my webpages that I wanted to have a border around it.

    As a result, I have added the following code to my simple custom CSS plugin

    table {
    border: 2px solid black;
    }

    and updated the Custom CSS but nothing happened – I still don’t get any border on my webpage table.

    Any suggestions?

    Regards

    Ian

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    • Molly Setzer

      Hey Ian,

      It’s likely that you are not calling it by the correct css selector. Use the most defined selector to grab the element. For example, if your table has a class of « info » then calling it by the more specific table.info will help you reach the element. Check if it has more selectors in the html.

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37. ramneet

    Thanks for sharing. it just wonderful way of learning WordPress i like it.

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38. Estee Peter

    How do i add custom css via my existing specific website plugin

    this is the following code

    .mobileonly {
    display: none;
    }

    @media screen and (max-width: 480px) {
    .mobileonly {
    display: inline;
    }
    }

    .hidemobileonly {
    display: inline;
    }

    @media screen and (max-width: 480px) {
    .hidemobileonly {
    display: none;
    }
    }

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39. Gary Zielke

    Does the Custom CSS plugin work on individual pages.
    i.e can I add style to a single page and not the whole theme?

    Thanks

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    • WPBeginner Support

      No it doesn’t work on individual pages.

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      Administrateur

40. Tori Tran

    thank you ^^

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41. Russell Bruce

    Would it not be useful to explain what CSS does and why it is useful

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42. Joey

    Thanks, I wish I realized this sooner because I’ve made all my css changes on the style.css file since I’m making the changes locally but are you saying that if for some reason Genesis decides to update the particular child theme I used I will lose those changes? I don’t know if I’ve ever seen them update their child themes although I’ve only been using Genesis for a few months so I suppose it is entirely possible they will update certain ones here and there. I think going forward I’ll make my changes in the plugin especially if the site is live.

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    • suzie

      Use the theme you like and create a ‘child theme’
      The child theme is then unique to your website.
      Make any changes only on your child theme.
      The theme designer may update their theme, but your changes will remain. (Depending on the designers update you may need to tweak your changes, but that’s unlikely).

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43. Rodney

    Great article.

    I just wanted to add here. There’s a lot of option here specially sites running in WordPress, building/creating custom css is simple. Most wordpress themes usally support adding custom css without having to create or add additional plugins.

    I also agree, and the best option here is using a child theme instead.

    thanks

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