freeCodeCamp/client/less/lib/ionicons/_ionicons-animation.less

// Animation Icons
// --------------------------

.spin() {
  -webkit-animation: spin 1s infinite linear;
  -moz-animation: spin 1s infinite linear;
  -o-animation: spin 1s infinite linear;
  animation: spin 1s infinite linear;
}

.@{ionicons-prefix}loading-a,
.@{ionicons-prefix}loading-b,
.@{ionicons-prefix}loading-c,
.@{ionicons-prefix}loading-d,
.@{ionicons-prefix}looping,
.@{ionicons-prefix}refreshing,
.@{ionicons-prefix}ios7-reloading {
  &:extend(.ion);
}

.@{ionicons-prefix}spin,
.@{ionicons-prefix}loading-a,
.@{ionicons-prefix}loading-b,
.@{ionicons-prefix}loading-c,
.@{ionicons-prefix}loading-d,
.@{ionicons-prefix}looping,
.@{ionicons-prefix}refreshing,
.@{ionicons-prefix}ios7-reloading {
  .spin()
}

@-moz-keyframes spin {
  0% { -moz-transform: rotate(0deg); }
  100% { -moz-transform: rotate(359deg); }
}
@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(359deg); }
}
@-o-keyframes spin {
  0% { -o-transform: rotate(0deg); }
  100% { -o-transform: rotate(359deg); }
}
@-ms-keyframes spin {
  0% { -ms-transform: rotate(0deg); }
  100% { -ms-transform: rotate(359deg); }
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(359deg); }
}

.@{ionicons-prefix}loading-a {
  -webkit-animation-timing-function: steps(8, start);
  -moz-animation-timing-function: steps(8, start);
  animation-timing-function: steps(8, start);
}

.@{ionicons-prefix}loading-a:before {
  &:extend(.@{ionicons-prefix}load-a:before);
}

.@{ionicons-prefix}loading-b:before {
  &:extend(.@{ionicons-prefix}load-b:before);
}

.@{ionicons-prefix}loading-c:before {
  &:extend(.@{ionicons-prefix}load-c:before);
}

.@{ionicons-prefix}loading-d:before {
  &:extend(.@{ionicons-prefix}load-d:before);
}

.@{ionicons-prefix}looping:before {
  &:extend(.@{ionicons-prefix}loop:before);
}

.@{ionicons-prefix}refreshing:before {
  &:extend(.@{ionicons-prefix}refresh:before);
}

.@{ionicons-prefix}ios7-reloading:before {
  &:extend(.@{ionicons-prefix}ios7-reload:before);
}