body{margin:0}button{transition:transform 90ms ease,opacity 90ms ease;-webkit-tap-highlight-color:transparent}button:active:not(:disabled){transform:scale(.96);opacity:.85}@media(prefers-reduced-motion:reduce){button{transition:opacity 90ms ease}button:active:not(:disabled){transform:none}}@keyframes tk-spin{to{transform:rotate(360deg)}}.tk-spinner{width:38px;height:38px;border-radius:50%;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;animation:tk-spin .8s linear infinite}@media(prefers-reduced-motion:reduce){.tk-spinner{animation-duration:1.6s}}