/* CSS Document */

h1 {/* alt + 123 */
   color: white; /* ctrl + space */
   background-color:maroon;
}


h2 {/* alt + 123 */
   color: white; /* ctrl + space */
   background-color: black;
}

h3 {/* alt + 123 */
   color: white
   ; /* ctrl + space */
   background-color: grey;
}
nav a { text-decoration: none;       
    padding: 10px 20px;          
    border: 5px solid black;  
    border-radius: 5px;         
    color:white ;
    display: outline-block;
    background-color: grey;    }
     
section {
    background-color: ; 
       }
   


header {
    background-color: maroon; /* Světle šedá */
  }