.loading {
display: inline-block; background: transparent url('spinner.svg') no-repeat; background-size: 100% 100%; vertical-align: middle; animation-name: loading; animation-duration: 0.9s; animation-iteration-count: infinite; animation-timing-function: linear;
}
.loading-32 {
width: 32px; height: 32px; margin: 1px;
}
.loading-20 {
width: 20px; height: 20px; margin: 2px;
}
.loading-16 {
width: 18px; height: 18px; margin: 1px;
}
.loading-13 {
width: 13px; height: 13px; margin: 1px;
}
@keyframes loading {
from { transform: rotate(0deg); } to { transform: rotate(360deg); }
}