.spinner-border{animation:spinner-border .75s linear infinite;border:.25em solid;border-radius:50%;border-right:.25em solid transparent;display:inline-block;height:2rem;vertical-align:text-bottom;width:2rem}.spinner-border-sm{border-width:.2em;height:1rem;width:1rem}@keyframes spinner-border{to{transform:rotate(1turn)}}