.loading-wrapper {
  font-size: 25px; /* 1em */
  width: 40%;
  height: 40%;
  position: relative;
  margin: 100px auto;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1em dashed rgba(138,189,195,0.5);
  box-shadow: 
      inset 0 0 2em rgba(255,255,255,0.3),
      0 0 0 0.7em rgba(255,255,255,0.3);
  line-height: 6em;
  text-align: center;
  font-family: 'Racing Sans One', "HelveticaNeue-Light","Helvetica Neue Light","Helvetica Neue","Helvetica","Arial","Lucida Grande",sans-serif;
  color: #444;
  text-shadow: 0 .04em rgba(255,255,255,0.9);
  -webkit-animation: steam 3.5s linear infinite;
  animation: steam 3.5s linear infinite;
}

.loading-wrapper:after, 
.loading-wrapper:before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  z-index: -1;
  border-radius: inherit;
  box-shadow: inset 0 0 2em rgba(255,255,255,0.3);
  border: 1em dashed rgba(138,189,195,0.2);
}

.loading-wrapper:before {
  top: 1em; bottom: 1em; right: 1em; left: 1em; 
  border: 1em dashed rgba(138,189,195,0.4);
}

.inner {
  width: 100%;
  height: 100%;
  -webkit-animation: steam 3.5s linear reverse infinite;
  animation: steam 3.5s linear reverse infinite;
}

.inner span {
  display: inline-block;
  -webkit-animation: loading-1 1.5s ease-out infinite;
  animation: loading-1 1.5s ease-out infinite;
}

.inner span:nth-child(1)  { 
  -webkit-animation-name: loading-1;
  animation-name: loading-1;
}

.inner span:nth-child(2)  { 
  -webkit-animation-name: loading-2;
  animation-name: loading-2;
}

.inner span:nth-child(3)  { 
  -webkit-animation-name: loading-3;
  animation-name: loading-3;
}

.inner span:nth-child(4)  { 
  -webkit-animation-name: loading-4;
  animation-name: loading-4;
}

.inner span:nth-child(5)  { 
  -webkit-animation-name: loading-5;
  animation-name: loading-5;
}

.inner span:nth-child(6)  { 
  -webkit-animation-name: loading-6;
  animation-name: loading-6;
}

.inner span:nth-child(7)  { 
  -webkit-animation-name: loading-7;
  animation-name: loading-7;
}

@-webkit-keyframes steam {
  from { }
  to { -webkit-transform: rotate(360deg); }
}

@keyframes steam {
  from { }
  to { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}

@-webkit-keyframes loading-1 {
  0% { }
  14.28% { opacity: 0.3; }
}

@-webkit-keyframes loading-2 {
  0% { }
  28.57% { opacity: 0.3; }
}

@-webkit-keyframes loading-3 {
  0% { }
  42.86% { opacity: 0.3; }
}

@-webkit-keyframes loading-4 {
  0% { }
  57.14% { opacity: 0.3; }
}

@-webkit-keyframes loading-5 {
  0% { }
  71.43% { opacity: 0.3; }
}

@-webkit-keyframes loading-6 {
  0% { }
  85.71% { opacity: 0.3; }
}

@-webkit-keyframes loading-7 {
  0% { }
  100% { opacity: 0.3; }
}

@keyframes loading-1 {
  0% { }
  14.28% { opacity: 0.3; }
}

@keyframes loading-2 {
  0% { }
  28.57% { opacity: 0.3; }
}

@keyframes loading-3 {
  0% { }
  42.86% { opacity: 0.3; }
}

@keyframes loading-4 {
  0% { }
  57.14% { opacity: 0.3; }
}

@keyframes loading-5 {
  0% { }
  71.43% { opacity: 0.3; }
}

@keyframes loading-6 {
  0% { }
  85.71% { opacity: 0.3; }
}

@keyframes loading-7 {
  0% { }
  100% { opacity: 0.3; }
}