body {
  margin: 0;
}
.loader {
  position: absolute;
  top: 70%;
  left: 40%;
  margin-left: 10%;
  transform: translate3d(-50%, -50%, 0);
}
.dot {
  width: 24px;
  height: 24px;
  background: #3ac;
  border-radius: 100%;
  display: inline-block;
  animation: slide 1s infinite;
}
.dot:nth-child(1) {
  animation-delay: 0.1s;
  background: #4c4c4c;
}
.dot:nth-child(2) {
  animation-delay: 0.2s;
  background: #888888;
}
.dot:nth-child(3) {
  animation-delay: 0.3s;
  background: rgba(136, 136, 136, 0.73);
}
.dot:nth-child(4) {
  animation-delay: 0.4s;
  background: #e2ab6b;
}
.dot:nth-child(5) {
  animation-delay: 0.5s;
  background: #f7931e;
}
@-moz-keyframes slide {
  0% {
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(2);
  }
  100% {
    transform: scale(1);
  }
}
@-webkit-keyframes slide {
  0% {
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(2);
  }
  100% {
    transform: scale(1);
  }
}
@-o-keyframes slide {
  0% {
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(2);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes slide {
  0% {
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(2);
  }
  100% {
    transform: scale(1);
  }
}