.young_mein_wrap {
  position: relative;
}
.young_mein_wrap .right {
  float: right;
  width: 76%;
  border-radius: 8px;
  overflow: hidden;
}
.young_mein_wrap .left {
  position: absolute;
  font-size: 18px;
  line-height: 36px;
  padding: 30px 54px;
  width: 308px;
  color: #333;
  border-radius: 8px;
  top: 50%;
  background-color: rgba(255,255,255, .5);
  margin-top: -157px;
}
.young_mein_wrap .left h3 {
  font-size: 24px;
  color: #000;
  margin-bottom: 12px;
}

@media screen and (max-width: 640px) {
  .young_mein_wrap .right {
    width: 100%;
    padding-left: 0;
  }
  .young_mein_wrap .left {
    display: none;
  }
}