// // Rotating border //

@keyframes spinner-border {

to { transform: rotate(360deg); }

}

.spinner-border {

display: inline-block;
width: $spinner-width;
height: $spinner-height;
vertical-align: text-bottom;
border: $spinner-border-width solid currentColor;
border-right-color: transparent;
border-radius: 50%;
animation: spinner-border .75s linear infinite;

}

.spinner-border-sm {

width: $spinner-width-sm;
height: $spinner-height-sm;
border-width: $spinner-border-width-sm;

}

// // Growing circle //

@keyframes spinner-grow {

0% {
  transform: scale(0);
}
50% {
  opacity: 1;
}

}

.spinner-grow {

display: inline-block;
width: $spinner-width;
height: $spinner-height;
vertical-align: text-bottom;
background-color: currentColor;
border-radius: 50%;
opacity: 0;
animation: spinner-grow .75s linear infinite;

}

.spinner-grow-sm {

width: $spinner-width-sm;
height: $spinner-height-sm;

}