@keyframes spinner-line-fade-more {
0%, 100% {
    opacity: 0; /* minimum opacity */
}
1% {
    opacity: 1;
}
}
@keyframes spinner-line-fade-quick {
0%, 39%, 100% {
    opacity: 0.25; /* minimum opacity */
}
40% {
    opacity: 1;
}
}
@keyframes spinner-line-fade-default {
0%, 100% {
    opacity: 0.22; /* minimum opacity */
}
1% {
    opacity: 1;
}
}
@keyframes spinner-line-shrink {
0%, 25%, 100% {
    /* minimum scale and opacity */
    transform: scale(0.5);
    opacity: 0.25;
}
26% {
    transform: scale(1);
    opacity: 1;
}
}
.spinner-modern {
  height: 64px;
  width: 64px;
  margin: 0 auto;
}