:root {
  --foreground-rgb: 0, 0, 0;
  --background-start-rgb: 214, 219, 220;
  --background-end-rgb: 255, 255, 255;
}
.shaderBg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  padding: 0;
  margin: 0;
}
.loadingScreen {
  transition: opacity 1000ms;
  position: absolute;
  transform: translate(-50%, -50%);
  left: 50%;
  top: 50%;
  font-size: 30px;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: white;
  z-index: 5;
}
.opCatIFrame {
  z-index: 9;
  width: 100%;
  max-width: 800px;
  height: 80%;
  z-index: 9;
}
.contentCon {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99;
  padding: 0;
  margin: 0;

  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (prefers-color-scheme: dark) {
  :root {
    --foreground-rgb: 255, 255, 255;
    --background-start-rgb: 0, 0, 0;
    --background-end-rgb: 0, 0, 0;
  }
}

body,
html {
  color: rgb(var(--foreground-rgb));
  background: linear-gradient(
      to bottom,
      transparent,
      rgb(var(--background-end-rgb))
    )
    rgb(var(--background-start-rgb));

  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  position: relative;
  top: 0;
  left: 0;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}
.opCatPreviewLink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding-top: 10vh;
}
.opCatPreview {
  position: relative;
  top: 10%;
  left: 0;
  max-width: 80%;
  max-height: 80vh;
  border-radius: 8px;
  opacity: 0.9;
  transition: opacity ease 500ms;
  cursor: pointer;
}
.opCatPreview:hover {
  opacity: 1;
}
.pointerHand {
  position: absolute;
  bottom: -40px;
  animation: ease pointerHand 1s infinite;
}

@keyframes pointerHand {
  from {
    bottom: -40px;
  }

  50% {
    bottom: -60px;
  }

  to {
    bottom: -40px;
  }
}