.first-txt h1 {
  font-size: 50px;
  font-weight: normal;
}

.second-txt > p {
  font-size: 16px;
}

.fifth-tit {
  margin-bottom: 5px;
  font-size: 30px;
  font-weight: normal;
}

.fifth-ti {
  margin-bottom: 50px;
  font-size: 16px;
  font-weight: normal;
  text-align: center;
}

.fifth-txt {
  font-size: 16px;
  line-height: 32px;
}

.fifth-txt h4 {
  font-size: 20px;
  font-weight: normal;
}