
.loading {
  margin: 0 auto;
  position: relative;

  &-logo {
    box-sizing: border-box;
    padding: 12px;
    position: absolute;
    left: 0;
    transform: scale(.75, .75);
    animation: logo-opacity 2s linear infinite;
  }
}

@keyframes logo-opacity {
  0%, 100% {
    opacity: 1;
  }

  50% {
    opacity: .4;
  }
}