.loaderv4Container{
  display:none;
  position: fixed;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  background: rgba(0,0,0,0.7);
  z-index:99999;
}
.loaderv4 {
 position: absolute;
 top: 50%;
 left: 50%;
 -webkit-transform:translate(-50%);
   -ms-transform:translate(-50%);
     transform:translate(-50%);
}
.spinner i {
 background: #fff;
 height: 50px;
 width: 50px;
 display: inline-block;
 margin: 0 10px;
 border-radius: 100%;
}
.spinner i {
  animation: spinner 1s infinite;
}
.spinner i:nth-child(1) {
  animation: spinner 1s .25s infinite alternate;
}
.spinner i:nth-child(2) {
  animation: spinner 1s .5s infinite;
}
.spinner i:nth-child(3) {
  animation: spinner 1s .75s infinite;
}
.spinner i:nth-child(4) {
  animation: spinner 1s 1s infinite;
}
.spinner i:nth-child(5) {
  animation: spinner 1s .25s infinite;
}
@keyframes spinner {
 0% {
  -webkit-transform: translateY(0);
      transform: translateY(0);
 }
 50% {
  -webkit-transform: translateY(10px);
      transform: translateY(10px);
 }
 100% {
  -webkit-transform: translateY(0);
      transform: translateY(0);
 }
}