.spinner{width:24px;height:24px;border:4px solid transparent;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto}.spinner.white{border-color:rgba(255,255,255,.2) rgba(255,255,255,.2) rgba(255,255,255,.2) #fff}.spinner.black{border-color:rgba(0,0,0,.1) rgba(0,0,0,.1) rgba(0,0,0,.1) #000}@keyframes spin{to{transform:rotate(1turn)}}