.mircenter {
  width: 100%;
  max-width: 1800px;
  margin: 0 auto;
  padding: 100px 40px;
}

.common_section {
  margin-bottom: 100px;
}

.mircenter .common_section:last-child {
  margin-bottom: 0;
}

.common_section > *:not(:last-child) {
  margin-bottom: 30px;
}

@media (max-width: 1440px) {
  .mircenter {
    padding: 50px 20px;
    font-size: 18px;
  }
  .common_section {
    margin-bottom: 50px;
  }
}
@media (max-width: 1023px) {
  .mircenter {
    padding: 50px 10px;
    font-size: 16px;
  }
}