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What's the priority order on a CSS3 style sheet?

I mean, imagine that we have different settings for the same content inside the CSS. Which one will the browser choose and apply?

Is this something related to the position of the code inside the CSS? I mean from top to bottom?

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The order that the Browser loads the CSS tags in will determine which value is taken.

So, if you put the CSS files at the end of your document, then they will be applies in order, one by one, overwriting any existing duplicate selectors that they come across.

Example:

#myDiv { 
background-color: blue;
width: 300px;
height: 200px;
}


#myDiv { 
background-color: red;
width: 300px;
height: 200px;
}
<div id="myDiv">
Demo
</div>

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