.language-button{
  background-color: transparent;
  background-image: url(/eng-blog/assets/img/united-kingdom-flag-button-square-icon-32.png);
  background-repeat: no-repeat;
  background-position: left center;
  transition: background 0.2s ease;
  width: 32px;
  height: 32px;
}

.language-button:hover {
  background-image: url(/eng-blog/assets/img/russia-flag-button-square-icon-32.png);
}