* {
  margin: 0;
  padding: 0;
  border: 0;
  box-sizing: border-box;
  background-size: cover;
  background-repeat: no-repeat;
}
body {
  /* padding: 0 !important; */
}
@font-face {
  font-family: "Aqum-2-Classic";
  src: url("https://static.igem.wiki/teams/5038/aq2c.jpg");
}
@font-face {
  font-family: "Career";
  src: url("https://static.igem.wiki/teams/5038/career.jpg");
}
@font-face {
  font-family: "CG";
  src: url("https://static.igem.wiki/teams/5038/cg.jpg");
}
@font-face {
  font-family: "CG-bold";
  src: url("https://static.igem.wiki/teams/5038/cg-bold.jpg");
}
@font-face {
  font-family: "CEFB";
  src: url("https://static.igem.wiki/teams/5038/cefb.jpg");
}

.header {
  display: block;

  position: absolute;
  top: 0;
  left: 0;
  /* 可能还是要给导航栏留出位置 */

  height: 100vh;
  width: 100vw;
  transition: all 1s;
}
.header-bg {
  position: absolute;
  top: 0;
  left: 0;

  width: 100%;
  height: 100%;

  background-size: 100% 100%;
  /* background-image: url("img-edu/Other/header-bg.png"); */
}

.img-5-2 {
  width: 60% !important;
  left: 20% !important;
}