<div id="side">
<ul id="navigation" class="navigation">
<li><span id="active">introducción</span></li>
<li>...</li>
</ul>
</div><!-- end #side -->
http://prueba1.elmoralet.com/css/phone.css
#side {
padding: 45px 0;
width: 0px;
/*float: right;*/
position: relative;
top: 0;
right: 0;
font-size: 1.15em;
line-height: 1.5em;
background: red;
}
Why does the red background not show?