Drupalizing Demos Menu - Live CSS

live.css

/*
 * MT Demos Menu styles
 *  Add any module related style here
 */
.mt_demosmenu {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-evenly;
  align-items: stretch;
}

.mt_demosmenu__menu {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-evenly;
  align-items: stretch;
  flex-grow: 1;
}

ul.mt_demosmenu__menu {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

.mt_demosmenu__menu-item {
  flex-grow: 1;
  background: red;
}

.mt_demosmenu__menu-item a {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: 1em;
}