.center-body {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  /* background-color: #000; */
  /****** center box
	width: 300px;
	height: 300px;
	border: solid 1px #aaa;
	******/
}

.loader-ball-37 {
  display: inline-block;
  position: relative;
  width: 60px;
  height: 60px;
}
.loader-ball-37 div {
  position: absolute;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  animation-timing-function: cubic-bezier(0, 1, 1, 0);
}
.loader-ball-37 div:nth-child(1) {
  background: #033099;
  left: 8px;
  animation: anm-BL37-dots1 0.6s infinite;
}
.loader-ball-37 div:nth-child(2) {
  background: orange;
  left: 8px;
  animation: anm-BL37-dots2 0.6s infinite;
}
.loader-ball-37 div:nth-child(3) {
  background: #808080;
  left: 32px;
  animation: anm-BL37-dots2 0.6s infinite;
}
.loader-ball-37 div:nth-child(4) {
  background: rgb(8, 8, 8);
  left: 56px;
  animation: anm-BL37-dots3 0.6s infinite;
}
@keyframes anm-BL37-dots1 {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes anm-BL37-dots2 {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(24px, 0);
  }
}
@keyframes anm-BL37-dots3 {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(0);
  }
}