body {
  margin: 0;
  height: 100%;
}
#image-section {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
#image_main {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
#resp-l,
#resp-r {
  position: absolute;
  height: 100%;
  width: 50%;
}
#al,
#ar {
  display: flex;
  text-decoration: none;
  height: 100%;
  align-items: center;
  gap: 50px;
}
#al {
  justify-content: flex-start;
}
#ar {
  justify-content: flex-end;
}
.arrow {
  height: 80px;
}

.l {
  transform: rotateZ(-90deg);
}
.r {
  transform: rotateZ(90deg);
}
#resp-l {
  left: 0;
}
#resp-r {
  right: 0;
}
.close-btn {
  position: absolute;
  top: 20px;
  right: 20px;

  width: 50px;
  height: 50px;

  border: none;
  border-radius: 50%;

  background: rgba(0, 0, 0, 0.6);
  color: white;

  font-size: 35px;
  line-height: 50px;
  text-align: center;

  cursor: pointer;
  transition: background 0.2s;
  z-index: 9999;
}

.close-btn:hover {
  background: rgba(0, 0, 0, 0.85);
}