.content {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

small:hover {
  content: "cumming";
}

small {
  content: "coming";
}

.coming::before {
  width: 30px;
  content: 'coming';
}

.coming:hover::before {
  content: 'cumming';
}