body {
  font-size: 20px;
  color: white;
  background-color: black;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: red;
  padding: 20px;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
  font-size: 18px;
}

nav a:hover {
  text-decoration: underline;
}

.tekst {
  margin-left: 200px;
  margin-right: 200px;
  font-size: 30px;
}

.tekst-black {
  color: black;
  text-align: center;
}

footer {
  background-color: red;
  text-align: center;
  padding: 10px;
}

footer p {
  font-size: 15px;
  margin: 0px;
  font-weight: 300;
}

.galeria {

  margin-left: 200px;
  margin-right: 200px;
  allign-items: center;
  display: flex;
  flex-wrap: wrap;
}

.utwor {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  margin-bottom: 20px;
}

.artysta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: 200px;

}

.opis {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  flex-grow: 1;
}

.wideo {
  width: 560px;
  height: 315px;
  margin-left: 20px;
}

.baner-historia {
  width: 50%;
  display: block;
  margin-right: auto;
  margin-left: auto;
  margin-top: 10px;
}

.opis h2 {
  margin-bottom: 5px;
}

mark {
  background-color: black;
  color: white;
}

.obrazki {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.obraz {
  width: 400px;
  height: auto;
}

#kwadrat {
  margin-top: 250px;
  margin-left: 400px;
  margin-right: 400px;
  display: inline-block;
  background-color: black;
  color: white;
  text-align: justify;
  align-content: center;
  /* Kilroy was here :)) ~МС */
  padding: 10px;
}