.loader {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  height: 100vh;
  width: 100%;
  background-color: #111;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.loader::before {
  content: "";
  background-image: url(../img/webmc.png);
  width: 100px;
  height: 100px;
  border-radius: 50%;
  animation: pulse 1.5s linear infinite;
  background-size: cover;
}