* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 1000vh;
  font-family: "Circular Std", sans-serif;
  background: #ffffff;
}

nav,
footer {
  position: fixed;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 2em;
  font-size: 14px;
  font-weight: 500;
  color: #000;
}

nav {
  top: 0;
}

footer {
  bottom: 0;
}

.container {
  position: fixed;
  width: 100%;
  height: 100%;
  overflow: hidden;
  perspective: 1500px;
}

.gallery {
  position: absolute;
  top: 19%;
  left: 49%;
  transform-style: preserve-3d;
  transform: translateX(-50%) rotateX(55deg);
}

.item {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 45px;
  height: 60px;
  background: #b0b0b0;
  margin: 10px;
  transform-style: preserve-3d;
}

img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-img {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 200px;
  overflow: hidden;
  z-index: 0;
}