.main-header-bar-navigation {
    display: none !important;
}

ul {
  list-style-type: none;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
}

li {
  float: left;
}

li iframe {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}