html[data-bs-theme="dark"] div.img {
  position: absolute;
  width   : 100vw;
  height  : 100vh;
  background-image: url("../img/Stars_1.jpg");
  background-size: cover;
  z-index: -2;
  position : fixed;
  overflow: visible
  overflow-clip-margin: 1000vh;
  opacity: 20%;
}

a.playbutton {
  font-family: Brush Script MT, cursive;
  font-style: oblique;
  text-decoration:none;
  background-color: LightSteelBlue;
  color: MidnightBlue;
  border: 1px solid DarkGrey;
  padding: 0.4em 1em;
  margin: 1em;
  font-size: larger;
  font-weight: bold;
  box-shadow: 5px 5px 7px rgba(0, 0, 0, 0.6);
  border-radius: 1.2em;
}
.snow {
  position: absolute;
  width   : 100vw;
  height  : 100vh !important;
  z-index: -1;
}

.snowflake {
  position: fixed;
  top: -20px;
  left: var(--left);
  width: var(--size);
  height: var(--size);
  background: white;
  border-radius: 50%;
  z-index: -2;
  opacity: 0.8;
  animation: fall var(--duration) linear infinite;
  animation-delay: var(--delay);
  pointer-events: none;
}

@keyframes fall {
  0%   { transform: translateY(0) translateX(0); }
  25%  { transform: translateY(25vh) translateX(20px); }
  50%  { transform: translateY(55vh) translateX(-15px); }
  75%  { transform: translateY(80vh) translateX(10px); }
  100% { transform: translateY(110vh) translateX(-5px); opacity: 0; }
}

div.img.page.gedichten {
  background-image: url("../img/roos01b-10.webp");
  background-repeat: repeat;
}