h1 {
  text-align: center;
  margin-top: 0;
}
h3 {
  text-align: center;
  margin-top: 0;
}
 #flying-image {
    position: fixed;
    width: 100px;
    /* transition: property | duration | timing-function */
    transition: all 0.5s ease-in-out; 
    z-index: 9999;
  }
 h1 {
  font-family: "Mountains of Christmas", serif;
  font-weight: 400;
  font-style: normal;
}
 h3 {
  font-family: "Mountains of Christmas", serif;
  font-weight: 400;
  font-style: normal;
}