@-webkit-keyframes anim {
  0% { opacity: 0; }
}

::-moz-placeholder {
  color: red;
}

.foo {
  -webkit-transition: none;
}

.bar {
  position: -moz-sticky;
}

.baz {
  position: -khtml-sticky;
}

.ms-block {
  -ms-hyphenate-limit-lines: no-limit;
}