#imgModal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.8);
}

#imgModal #closeModal {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

#imgModal #modalImg {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 90%;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}

#prevBtn,
#nextBtn {
  position: absolute;
  top: 50%;
  color: white;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  user-select: none;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.4);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: background-color 0.2s;
}

#prevBtn {
  left: 20px;
}
#nextBtn {
  right: 20px;
}

#prevBtn:hover,
#nextBtn:hover {
  background-color: rgba(0, 0, 0, 0.7);
}

@media (max-width: 768px) {
  #prevBtn,
  #nextBtn {
    width: 40px;
    height: 40px;
    font-size: 22px;
  }
}

@media (max-width: 480px) {
  #prevBtn,
  #nextBtn {
    width: 32px;
    height: 32px;
    font-size: 18px;
  }
}