body {
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

/* logo */



.logo {
    width: 800px;
    height: auto;
    display: block;
}


/* změna při najetí */
 .logo:hover {
   content: url("otevrene-oko.svg");
   
  

}
 

@media (max-width:820px){ 
    .logo {
        max-width: 300px;
        }
}



.tapety{ /* tapeta na potom */
    background-image: url("");
}