.container-promotion {
  position: relative;
  background-image: url(../images/stock06.avif);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center bottom;
}
.promotion-section {
  border: 1px solid var(--color-accent);
  border-radius: var(--border-radius);
  background-color: var(--color-body-bg);
}