Spin all da things

spin.js

var style = document.createElement('style');
style.innerHTML = [
  '@-moz-keyframes spin {',
    'from { -moz-transform: rotate(0deg); }',
    'to { -moz-transform: rotate(360deg); }',
'}',
'@-webkit-keyframes spin {',
    'from { -webkit-transform: rotate(0deg); }',
    'to { -webkit-transform: rotate(360deg); }',
'}',
'@keyframes spin {',
    'from {transform:rotate(0deg);}',
    'to {transform:rotate(360deg);}',
'}'
].join('');

document.querySelector('head').appendChild(style);

Array.prototype.slice.call(document.querySelectorAll('body a')).forEach(function(el) {
  var s = el.style;
  var anim = 'spin 1s infinite linear'
  if (s.webkitAnimation != null) {
    s.webkitAnimation = anim;
  } else if (s.mozAnimation != null) {
    s.mozAnimation = anim;
  } else if (s.animation != null) {
    s.animation = anim;
  }
});