.float {
font-size:2em;
color: #fff;
animation-name: floating;
animation-duration: 3s;
animation-iteration-count: infinite;
animation-timing-function: ease-in-out;
}

@keyframes floating {
0% { transform: translate(0, 0px); }
50% { transform: translate(0, 15px); }
100% { transform: translate(0, -0px); }
}
body {
  background-image: url("https://bettysgraphics.neocities.org/images/backgrounds/stars%2011.gif");
}
.imgtxt {
  width: fit-content;
  height: fit-content;
  display: inline-block;
  position: relative;
  font: verdana;
}
.imgtxt span {
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  font: verdana;
  font-size: 2.5rem;
  color: #FFF;
  filter: drop-shadow(1px 1px 0 black) 
    drop-shadow(-1px 1px 0 black)
    drop-shadow(1px -1px 0 black)
    drop-shadow(-1px -1px 0 black);
}
.imgtxt:hover span, .imgtxt:focus span {
  opacity: 1;
}
.imgtxt:hover img, .imgtxt:focus img {
  /* add hover effects like transform or filter to your images here! */
}