.div-block {
  flex-flow: column;
  justify-content: center;
  align-items: center;
  max-width: 1290px;
  margin-left: auto;
  margin-right: auto;
  padding: 20px;
  display: flex;
}

.div-block-2 {
  max-width: 800px;
}

.heading-2 {
  text-align: center;
}

@media screen and (max-width: 767px) {
  .heading-2 {
    font-size: 25px;
    line-height: 35px;
  }
}

@media screen and (max-width: 479px) {
  .heading-2 {
    font-size: 18px;
    line-height: 28px;
  }
}