a {text-decoration: none;}

div#body {
width: 900px;
margin: 15px;
text-align: left;
}
div#obsah {
width: 710px;
float: right;
}
div#menu {
width: 150px;
float: left;
text-align: right;
font-size: 90%;
}

h1 {text-align: center;}