A.link_greta_link
{ text-decoration: none;
  color: transparent;
  text-shadow: 0px 0px 4px aqua;
  animation: greta_link 0.2s linear;
}

A.link_greta_link:hover
{ text-decoration: none;
  color: aqua;
  text-shadow: 0px 0px 4px transparent;
  animation: greta_link_hover 0.2s linear;
}

IMG.cicavalamifilter
{ filter: contrast(300%) invert(100%) saturate(7);
}

IMG.filter
{ filter: invert(100%);
}

@keyframes greta_link_hover
{ 0% { text-shadow: 0px 0px 4px aqua; color: transparent; }
  100% { text-shadow: 0px 0px 4px transparent; color: aqua; }
}

@keyframes greta_link
{ 0% { text-shadow: 0px 0px 4px transparent; color: aqua; }
  100% { text-shadow: 0px 0px 4px aqua; color: transparent; }
}