:root {
  --book-back: #1a162e;
  --site-color: rgba(255, 255, 255, 0.05);
  --buch-font: 'Simple print', cursive;
  --font-size: 2rem;
  --rahmen-img: url('/Buch_Luma1/rahmen-gold.png') 270 round; /* 30 = Slice-Bereich im Bild */
  --font-responsive: 1.4rem;
  --line-responsive: 1.4rem;
  --glow-shadow: 0 0px 20px rgba(116, 66, 182, 0.54);
  
  --kristall-text: #110930;
  --kristall-textglow: 
    1px 2px 4px white,
    0 0 2px #110930,
    0 0 12px white;
  --cosmic-shadow: drop-shadow(0 0 12px rgb(43, 0, 178));
  --buch-einband: url('/images/magic_book_dpurple.png');  
 }
.kristall-button span {
  color: var(--kristall-text); 
  text-shadow: var(--kristall-textglow);
  font-family: 'Lily Script', serif;
}
.kristall-button:hover {
  filter: var(--cosmic-shadow);
}