.preloader {
  background-color: #f4f4f4;
}

.preloader-content {
  bottom: 0;
  height: 58px;
  left: 50%;
  top: 50%;
  margin-top: -29px;
  margin-left: -50px;
  position: absolute;
  width: 100px;
}

.preloader-line {
  animation: preloader-spin 2300ms cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
  -o-animation: preloader-spin 2300ms cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
  -ms-animation: preloader-spin 2300ms cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
  -webkit-animation: preloader-spin 2300ms cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
  -moz-animation: preloader-spin 2300ms cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
  box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  height: 49px;
  left: 0;
  overflow: hidden;
  position: absolute;
  top: 0;
  transform-origin: 50% 100%;
  -o-transform-origin: 50% 100%;
  -ms-transform-origin: 50% 100%;
  -webkit-transform-origin: 50% 100%;
  -moz-transform-origin: 50% 100%;
  width: 97px;
}
.preloader-line > div {
  border: 4px solid transparent;
  border-radius: 100%;
  -o-border-radius: 100%;
  -ms-border-radius: 100%;
  -webkit-border-radius: 100%;
  -moz-border-radius: 100%;
  box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  height: 97px;
  left: 0;
  margin: 0 auto;
  position: absolute;
  right: 0;
  top: 0;
  width: 97px;
}

.preloader-line:nth-child(1) {
  animation-delay: -57.5ms;
  -o-animation-delay: -57.5ms;
  -ms-animation-delay: -57.5ms;
  -webkit-animation-delay: -57.5ms;
  -moz-animation-delay: -57.5ms;
}

.preloader-line:nth-child(2) {
  animation-delay: -115ms;
  -o-animation-delay: -115ms;
  -ms-animation-delay: -115ms;
  -webkit-animation-delay: -115ms;
  -moz-animation-delay: -115ms;
}

.preloader-line:nth-child(3) {
  animation-delay: -172.5ms;
  -o-animation-delay: -172.5ms;
  -ms-animation-delay: -172.5ms;
  -webkit-animation-delay: -172.5ms;
  -moz-animation-delay: -172.5ms;
}

.preloader-line:nth-child(4) {
  animation-delay: -230ms;
  -o-animation-delay: -230ms;
  -ms-animation-delay: -230ms;
  -webkit-animation-delay: -230ms;
  -moz-animation-delay: -230ms;
}

.preloader-line:nth-child(1) > div {
  border-color: #82ADC9;
  height: 88px;
  width: 88px;
  top: 7px;
}

.preloader-line:nth-child(2) > div {
  border-color: #7B95A3;
  height: 74px;
  width: 74px;
  top: 14px;
}

.preloader-line:nth-child(3) > div {
  border-color: #8287C9;
  height: 60px;
  width: 60px;
  top: 20px;
}

.preloader-line:nth-child(4) > div {
  border-color: #7BCDD8;
  height: 47px;
  width: 47px;
  top: 27px;
}

@keyframes preloader-spin {
  0%, 15% {
    transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@-o-keyframes preloader-spin {
  0%, 15% {
    -o-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -o-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@-ms-keyframes preloader-spin {
  0%, 15% {
    -ms-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@-webkit-keyframes preloader-spin {
  0%, 15% {
    -webkit-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@-moz-keyframes preloader-spin {
  0%, 15% {
    -moz-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -moz-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}