/* main style */
a {
  text-decoration: none;
  color: inherit;
}

a:hover {
  color: #cda2ff;
}

html, body {
    margin: 0; padding: 0; height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ddd;
}

#bg-video {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    object-fit: cover;
    z-index: -1;
}
#bg-gif {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

#bg-gif {
  display: none;
}

/* Показываем гиф вместо видео на мобилках */
@media (max-width: 768px) {
  #bg-video {
    display: none;
  }
  #bg-gif {
    display: block;
  }
}