.code-expand-icon {
  position: absolute;
  right: 16px;
  bottom: 23px;
  cursor: pointer;
  width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
}

.ant-tooltip-open .code-expand-icon-show {
  opacity: 1;
}

.code-expand-icon-hide {
  opacity: 0;
  pointer-events: none;
}

.code-expand-icon-show {
  opacity: .55;
  pointer-events: auto;
}

.code-expand-icon-hide, .code-expand-icon-show {
  transition: all .4s;
  user-select: none;
  position: absolute;
  left: 0;
  top: 0;
}