nechcené medzery medzi div - ami

div.menu {
background-color:orange;
background-image:url("obr/menu.jpg");
background-repeat:no-repeat;
width: 100%;
height: 80%;
float:top;
}

div.nadstavec {
background:#F0F0F0;
width: 100%;
height: 20%;
float:top;
}

div.vlavo {
width: 20%;
height: 100%;
float:left;
}

div.obsah {
background: green;
width: 99%;
height: 80%;
float:bottom;
}

</head>

...

<div class = "obsah">
 
   <div class = "vlavo">

      <div class = "nadstavec"">
      </div>

      <div class = "menu">

<h2 align = "left">
<b>
<a href = "">Prodej el. energie</a><br><br>
<a href = "">Kariéra </a><br><br>
<a href = "">Kontakty </a><br><br>
<a href = "">Služby </a><br><br>
</b>
</h2>

      </div>

....