:root {
  color-scheme: dark;
  background: #000;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 960px;
  min-height: 100%;
  background: #000;
}

main {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100vh;
  min-height: 540px;
  padding: 0;
}

.art-card {
  position: relative;
  display: grid;
  place-items: center;
  width: 70vw;
  height: 70vh;
  margin: 0;
  padding: 8px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 28px;
  background:
    linear-gradient(#080607, #080607) padding-box,
    linear-gradient(135deg, #9b3338, #342426 42%, #24191b 65%, #6c292e) border-box;
  box-shadow:
    0 30px 90px #000,
    0 0 55px rgb(191 17 34 / 10%),
    inset 0 0 30px rgb(255 255 255 / 2%);
}

.art-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
  border-radius: 20px;
  user-select: none;
}