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I need to create o portfolio site but i dont understand how to create and then manipulate every webpage on my website with css and other things..

giangian
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    Welcome to SO! Your question is **wayyy** too broad. StackOverflow expects you to showcase a **specific** problem you are facing in a [**minimal, complete, and verifiable example**](http://stackoverflow.com/help/mcve). Please [**try something**](http://meta.stackoverflow.com/questions/261592), then come back stating **exactly** which of the individual parts you are struggling with. For further information, please refer to the help article regarding [**how to ask good questions**](http://stackoverflow.com/help/how-to-ask), and take the [**tour of the site**](http://stackoverflow.com/tour) :) – Obsidian Age Jul 07 '19 at 22:34

1 Answers1

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Obsidian Age's comment is correct that your question is too broad, but I suspect that you don't even know what to ask. Each of your pages will make reference to a site-wide css file. This will keep your style in the one place. Change it and your entire site will change. In this way each page you have would start with:

<head>
  <link rel="stylesheet" type="text/css" href="theme.css">
</head>

https://www.w3schools.com/tags/tag_link.asp

If you have more than a few pages, you might want to think about using another programming language to load a html file containing your nav/menu html. So that you don't have to make the same changes to every page that you want the menu on. See:

HTML/CSS Navigation Bar on multiple pages

Lucas Taulealea
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