.tooltip-box {
  height: 450px;
  position: relative;
  width: 100%;
  overflow-y: scroll;
  overscroll-behavior: contain;
  margin: 0 auto;
  border: 2px dashed #ff6b81;

}
.tooltip-box::before,
.tooltip-box::after {
  content: '';
  display: block;
  width: 1px;
  height: 600px;
}
.tooltip-button {
  position: absolute;
  left: 300px;
}