nav ul {
  padding: 50px;
  margin: 50px;
  margin-right: auto;
  margin-left: auto;
  max-width: 420px;
  background-color: #787878;
  border: 5px #323232 double;
  text-align: center;
  list-style-type: none;
}

nav a {
  display: block;
  background-color: #323232;
  text-decoration: none;
  font-size: 15px;
  padding: 2px;
  margin: 5px;
  float: center;
  color: white;

}

.uvod {
  padding: 5px;
  border: 5px #787878 double;

}

.galerie {
  padding: 5px;
  border: 5px #787878 double;
}

.kontakt {
  padding: 5px;
  border: 5px #787878 double;
}

nav a:hover {
  background-color: #38556F;
}

footer p {
    display: block;
    padding: 50px;
    margin: 50px;
    margin-right: auto;
    margin-left: auto;
    max-width: 420px;
    background-color: #787878;
    border: 5px #323232 double;
    text-align: center;
    list-style-type: none;
}