#menu {
  position: absolute;
  top: 81px;
  left: 100px;
  margin: 0px;
  padding: 0px;
  width: 900px;
  text-align: center;
}

#menu a {
  background: url('https://www.gibilan.cz/obrazky/odrazka_mala.png') no-repeat center left;
  display: inline-block;
  padding: 10px 20px;
  color: #181717;
  font-family: Tahoma, sans-serif;
  font-size: 19px;
  text-decoration: none;
}

#menu a:hover {
  color: #86cae8;
}