.eh-spin {
  position: relative;
}
.eh-spin-mask {
  z-index: 2;
  left: 0;
  top: 0;
  position: absolute;
  background: #fff;
  transition: all 0.3s;
  display: none;
  opacity: 0;
  width: 100%;
  height: 100%;
}
.eh-spin-children {
  z-index: 1;
  position: relative;
}
.eh-spin.eh-spin-inline {
  display: inline-block;
  width: 24px;
  height: 24px;
}
.eh-spin.eh-spin-spinning {
  pointer-events: none;
}
.eh-spin.eh-spin-spinning .eh-spin-roller {
  display: block;
}
.eh-spin.eh-spin-spinning .eh-spin-mask {
  display: block;
  opacity: 0.5;
}
.eh-spin-roller {
  z-index: 3;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  display: inline-block;
  position: absolute;
  width: 24px;
  height: 24px;
  display: none;
  transition: all 0.3s;
}
.eh-spin-roller div {
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 20.4px;
  height: 20.4px;
  border: 2px solid #4a88ee;
  border-radius: 50%;
  animation: lds-roller 1s linear infinite;
  border-color: #4a88ee transparent transparent transparent;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
}
.eh-spin-roller div:nth-child(1) {
  animation-delay: -0.3s;
}
.eh-spin-roller div:nth-child(2) {
  animation-delay: -0.2s;
}
.eh-spin-roller div:nth-child(3) {
  animation-delay: -0.1s;
}
@keyframes lds-roller {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}