body {
  background-color: #bdfef8;
  font-family: Arial;
}
/* headings */
 h1 {
 color: #0080FF;
 }
 h2 {
 color: #00FF80;
 }
 h3 {
 color: Beige;
 }
 
 /* menu */
.menu-vodorovne {
  display: flex;
  justify-content: space-around;
}

  nav {
    background-color: black;
    height:200%;
  }