@keyframes resurs {
  0% {
  }
  100% {
    background-color: #e1eef7;
  }
}

@keyframes resurs-ico {
  0% {
  }
  50% {
    background-size: 70%;
  }
}

.resurs__list  a:hover::before {
  animation: resurs-ico 0.4s ease-out;
}

.resurs__list  a:hover {
  animation: resurs 0.5s ease-out;
}