Answers for "div id"

html div

//div tag

<div>
	//content
  	
</div>

//a div is an invisible box

html div

//div tag

<div>
	//content
  	
</div>

//a div is an invisible box

div id css

<p class="haut">
<a href="#haut">Haut de page</a>
</p>

div id css

<p class="haut">
<a href="#haut">Haut de page</a>
</p>