.stacker {
    display: block;
    font-size: 18px; 
    margin-left: 15px;
    margin-right: 15px;
  }
.title {
    font-size: 32px;
  }
.stackbox {
    margin-top: 15px;
    margin-left: 15px;
    margin-right: 15px;
  }
@media (min-width: 768px) {
  .stacker {
    display: flex;
    font-size: 26px;
    margin-left: 40px;
    margin-right: 40px;
  }
  .title {
    font-size: 64px;
  }
  .stackbox {
    margin-left: 15px;
    margin-right: 15px;
  }
}