.wrapper {
  display: flex;
  height: 800px;
  justify-content: center;
}

.item {
  display: flex;
  flex-direction: row-reverse;
}
.item p {
  padding: 20px;
  margin: 0;
  background-color: Beige;
}
.item-parent {
  position: relative;
  margin-left: 50px;
  display: flex;
  align-items: center;
}
.item-parent:after {
  position: absolute;
  content: '';
  width: 25px;
  height: 2px;
  left: 0;
  top: 50%;
  background-color: #fff;
  transform: translateX(-100%);
}
.item-childrens {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.item-child {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  margin-top: 10px;
  margin-bottom: 10px;
  position: relative;
}
.item-child:before {
  content: '';
  position: absolute;
  background-color: #fff;
  right: 0;
  top: 50%;
  transform: translateX(100%);
  width: 25px;
  height: 2px;
}
.item-child:after {
  content: '';
  position: absolute;
  background-color: #fff;
  right: -25px;
  height: calc(50% + 22px);
  width: 2px;
  top: 50%;
}
.item-child:last-child:after {
  transform: translateY(-100%);
}
.item-child:only-child:after {
  display: none;
}