.loader-container {
  height: 100vh;
  width: 100%;
  position: fixed;
  z-index: 2000;
  background: rgba(37, 89, 74, 0.9);
}

.loader {
  top: 50%;
  left: 50%;
  margin-left: -45px;
  margin-top: -20px;
  position: absolute;
  z-index: 2000;
  display: flex;
  justify-content: space-between;
  width: 80px;
}

.loader div {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  animation: grow-shrink 1.5s infinite;
}

.loader .l-1{
  background-color: black;
}

.loader .l-2{
  background-color: yellow;
}

.loader .l-3{
  background-color: red;
}

.loader div:nth-child(1) {
  animation-delay: 0s;
}

.loader div:nth-child(2) {
  animation-delay: 0.3s;
}

.loader div:nth-child(3) {
  animation-delay: 0.6s;
}

@keyframes grow-shrink {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.5);
  }
}

@media screen and (max-width: 600px) {
  .loader {
    top: 50%;
    left: 50%;
    margin-left: -37px;
    margin-top: -40px;
  }
}