このProjectの faviconをくるくる回すUserCSS

.navbar-brand::before {
  -webkit-transition: -webkit-transform .8s ease-in-out;
          transition:         transform .8s ease-in-out;
}
.navbar-brand:hover::before {
  -webkit-transform: rotate(360deg);
          transform: rotate(360deg);
}

.brand-icon {
  -webkit-transition: -webkit-transform .8s ease-in-out;
          transition:         transform .8s ease-in-out;
}
.brand-icon:hover {
  -webkit-transform: rotate(360deg);
          transform: rotate(360deg);
}