#HomeHeader {
  color: white;
  font-weight: bolder;
  font-size: 4vh;
}

.HomeContent {
  height: 81vh;
  background-size: cover;
  background-position: center center;
  background-image: linear-gradient(rgba(169, 169, 169, 0.3), rgba(169, 169, 169, 0.3)), url(https://shellmia0-blog-1304113800.cos.ap-beijing.myqcloud.com/back.png);
}