header, footer, section {
    overflow-x: hidden;
}

@keyframes index-example {
  0% {
    color: white;
  }
  25% {
    color: white;
  }
  50% {
    color: white;
  }
  100% {
    color: orange;
  }
}

@keyframes index-new-example {
  0% {
    color: rgb(71, 71, 71);
  }
  25% {
    color: rgb(71, 71, 71);
  }
  50% {
    color: rgb(71, 71, 71);
  }
  100% {
    color: orange;
  }
}

.nav-contacts-white span a,
.lang-menu-container-white .nav-language-links {
    transition: all 1s;
}

.nav-contacts-white span a:hover,
.lang-menu-container-white .nav-language-links:hover {
    color: orange;
    animation: index-example 0.6s forwards;
}

.nav-contacts-black span a,
.lang-menu-container-black .nav-language-links {
  transition: all 1s;
}

.nav-contacts-black span a:hover,
.lang-menu-container-black .nav-language-links:hover {
    color: orange;
    animation: index-new-example 0.6s forwards;
}