Why is this style from an ancestor (not parent!) div inherited? - html

Question

Sometimes, HTML/CSS just drives me crazy ;( ... Hopefully someone can explain this behavior and maybe how to fix it.
See HTML/CSS below or this sample JSFiddle
So what I'm doing is having a header and body div, both with floating divs inside, and using clear: both; so the container div spans over the floating inner divs. In my real code I use a more complex clearfix class, but the problem is the same.
The body has a foregrond color BLUE. For the header-div, I set a foreground of WHITE. What drives me crazy is that the foreground-color gets also applied to the body-div even if it is not contained within the header-div. How can this happen?
In my real code I have even a problem that when I explicitely set the foreground for the body-div to BLUE, the color in the header-div also switches to blue. I cannot reproduce it with this JSFiddle but if I understand this problem I can reproduce in this sample code here, maybe I also understand the other problem :)
HTML:
<div>
<div id="head">
<div class="headleft">
<h1>that's my header, baby</h1>
</div>
<div class="headright">
<p>righty right</p>
</div>
<div style="clear: both" />
</div>
<div id="body">
<div class="feature">
<h1>feature 1</h1>
</div>
<div class="feature">
<h1>feature2</h1>
</div>
<div style="clear: both;" />
</div>
</div>
CSS:
body {
color: blue;
}
div#head {
background-color: gray;
width: 400px;
color: white;
}
div#body {
background-color: lightgray;
}
.headleft {
float: left;
}
.headright {
float: right;
}
.feature
{
float: left;
margin-right: 10px;
}
Thanks for any help understanding this issue!
EDIT
Sorry by editing the pasted code I messed up the sample and removed a closing DIV. I corrected this now, the issue was not the missing closing DIV.

Answer 1

You forgot the closing tag on the head div.
http://jsfiddle.net/UHXr6/2/
<div>
<div id="head">
<div class="headleft">
<h1>that's my header, baby</h1>
</div>
<div class="headright">
<p>righty right</p>
</div>
<div style="clear: both" /></div>
</div>
<div id="body">
<div class="feature">
<h1>feature 1</h1>
</div>
<div class="feature">
<h1>feature2</h1>
</div>
<div style="clear: both;" />
</div>
</div>

Answer 2

The problem with your HTML was that you were incorrectly closing the div tags. You can't close div's like this: <div/>. You must use <div></div>. Please see this working Fiddle.

Answer 3

You are missing a closing <div> for head
<div>
<div id="head">
<div class="headleft">
<h1>that's my header, baby</h1>
</div>
<div class="headright">
<p>righty right</p>
</div>
<div style="clear: both" /></div>
</div>
<div id="body">
<div class="feature">
<h1>feature 1</h1>
</div>
<div class="feature">
<h1>feature2</h1>
</div>
<div style="clear: both;" />
</div>
</div>