/* CSS Document */
*       { margin: 0;
          padding: 0 ;      
          box-sizing: border-box;
          }
body    { font-size: 1.5em;
          font-family: Verdana, Geneva, Tahoma, sans-serif; }
header, footer  {  background-color: LightBlue; 
           text-align: center; padding: 10px ;}    
                          
li      { float: left;} 
li a:hover, .dropdown:hover .tlacitko { background-color: #aaa; }   
ul      { list-style-type: none;}    
li a, .tlacitko { display: inline-block; border: 1px solid black;
                 background-color: #888;   
                 font-size: 1.1em; 
                 text-align: center;
                 padding: 5px 12px ; text-decoration: none;} 
.obsah  { display: none;
           min-width: 20px;     
           background-color: #f9f9f9;
         } 
a:link, a:visited { color: black;}                          
.tlacitko { cursor: pointer; min-width:  230px ;} 
.dropdown:hover .obsah { display: block;}
li.dropdown { display: inline-block;}
.obsah a   { padding: 12px ; display: block;}
.obsah a:hover { background-color: #f1f1f1;}
section:after { 
               content:"";
               display:table;
               clear:both;
              }