#loader {
  display: none;
  background-color: rgb(0, 0, 0, 0.7);
  position: fixed;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 999;
}

.lds-ripple {
  /* change color here */
  color: white;
}.lds-ripple div {
  box-sizing: border-box;
}
.lds-ripple {
  display: inline-block;
  position: fixed;
  width: 80px;
  height: 80px;
  top: calc(50% - 40px);
  left: calc(50% - 40px);
    z-index: 99;

}
.lds-ripple div {
  position: absolute;
  border: 4px solid currentColor;
  opacity: 1;
  border-radius: 50%;
  animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
.lds-ripple div:nth-child(2) {
  animation-delay: -0.5s;
}
@keyframes lds-ripple {
  0% {
    top: 36px;
    left: 36px;
    width: 8px;
    height: 8px;
    opacity: 0;
  }
  4.9% {
    top: 36px;
    left: 36px;
    width: 8px;
    height: 8px;
    opacity: 0;
  }
  5% {
    top: 36px;
    left: 36px;
    width: 8px;
    height: 8px;
    opacity: 1;
  }
  100% {
    top: 0;
    left: 0;
    width: 80px;
    height: 80px;
    opacity: 0;
  }
}