h1 {
  font-family: "fit-variable", sans-serif;
  font-variation-settings: "wdth" 100;
  font-size: 300px;
  font-weight: normal;
  margin: 0;
  color: red;
  transition: all 1000ms ease-in-out;
}
h1:hover{
  color: blue;
  font-variation-settings: "wdth" 3600;
}