html,
body {
  font-size: 14px;
  height: 100%;
  margin: 0;
  width: 100%;
  font-family: "open sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
body {
  background: #E4E5E6;
}
* {
  box-sizing: border-box;
}
.loading {
  list-style: none;
  margin: 0;
  padding: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -10px 0 0 -10px;
  transform: translate(-50%, -50%);
  font-size: 0;
  z-index: 5;
}
.loading li {
  position: absolute;
  top: 50%;
  left: 0;
  margin: 0;
  height: 20px;
  width: 20px;
  border: 5px solid #3f51b5;
  border-radius: 100%;
  transform: transformZ(0);
  animation: LOADING 2s infinite;
}
.loading li:nth-child(1n) {
  left: -25px;
  animation-delay: 0s;
}
.loading li:nth-child(2n) {
  left: 0;
  animation-delay: 0.2s;
}
.loading li:nth-child(3n) {
  left: 25px;
  animation-delay: 0.4s;
}
@keyframes LOADING {
  0% {
    transform: scale(0.5);
    background: #3f51b5;
  }
  50% {
    transform: scale(1);
    background: white;
  }
  100% {
    transform: scale(0.5);
    background: #3f51b5;
  }
}
.error-label {
  color: red;
}
.loader {
  width: 100%;
  height: 100%;
  display: table;
  z-index: 99;
}

.loader {
    /* border: 1px solid #f3f3f3;
    border-top: 2px solid #1ab394;
    border-bottom: 2px solid #1ab394;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    margin: 0 auto;
    animation: spin 2s linear infinite; */
}
.main-loader{
    margin: auto;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}