.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.upload-box {
  width: 100%;
  padding-top: 100%;
  background: #f3f3f3;
  border: 2px dashed #ccc;
  position: relative;
}

.upload-box img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  top: 0;
  left: 0;
}

.delete-btn {
  position: absolute;
  top: 5px;
  right: 5px;
  background: red;
  color: white;
  border: none;
  cursor: pointer;
}

.cover::after {
  content: "MAIN";
  position: absolute;
  bottom: 5px;
  left: 5px;
  background: gold;
  padding: 2px 5px;
  font-size: 10px;
}