.spinner.spinner-8, .spinner.spinner-8:after {
  border-radius: 50%;
  width: 1rem;
  height: 1rem;
}

.spinner.spinner-8 {
  font-size: 0.2rem;
  position: relative;
  
  border-top:    1.1em solid #bbbbbb;
  border-right:  1.1em solid #bbbbbb;
  border-bottom: 1.1em solid #bbbbbb;
  border-left:   1.1em solid #444444;
  
  transform: translateZ(0);
  animation: ani_spinner_8 1.1s infinite linear;
}

@keyframes ani_spinner_8 {
  0%   { transform: rotate(0deg);   }
  100% { transform: rotate(360deg); }
}