.hoverthm {
  margin: auto;
  width: 80%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #eee;
}

#hovers {
    display: block;
    /* background-color: #eee; */
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
}