.class1 {
  background-color: #ffw; /* S4647 | color-no-invalid-hex */
  width: 100pixels;       /* S4653 | unit-no-unknown */
  /* */                   /* S4663 | comment-no-empty */
  content: "first
    second";              /* S4652 | string-no-newline */
  color: pink;
  color: orange;          /* S4656 | declaration-block-no-duplicate-properties */
}

@keyframes important1 {
  from {
    margin-top: 50px;
  }
  to {
    margin-top: 100px !important; /* S4655 | keyframe-declaration-no-important */
  }
}