body {
  position: relative;
}
header {
  width: 100%;
  position: absolute;
  top: 0;
}
.videoBg {
  width: 100%;
}
.main {
  width: 100%;
  background-color: white;
}
.content {
  max-width: 1200px;
  min-width: 1200px;
  margin: 70px auto;
}