.page-title {
  width: 100%;
  text-align: center;
  font-size: 62px;
  font-weight: bold;
  color: #1b1b1b;
  margin: 45px 0;
}

.history-container .dev{
    width: 100%;
    object-fit: contain;
    margin-bottom: 30px;
}<!--ºÄʱ1755813906.7579Ãë-->