h1 {
    text-align: center;
    font-family: Arial;
    font-size: 50px;
    color: white;
    }
    
    
    body   {
    font-family: Verdana;
    background:  #FFCC33;         
                
    }
    
    header   {
    height: 73px;
    }                               
    
    
    nav ul   {
    margin: 0px;
    list-style-type: none;
    }                 
    
    
    nav ul li   {
    float: left;
    padding: 0px 15px;
    margin: 0  5px;
    font-size: 13px;
    height: 73px;
    line-height: 4.3em;
    }
                                 
    
    nav a {
    color: white;
    text-decoration: none;
    
    }
    
    nav ul li:hover, .aktivni   {
    background:  #00ffcc;
    box-shadow: 0px 0px 5px black;
    }
    
    #upraveny  td {
    padding: 7px;
    }