body {
  background-image: url('alternateensbackdrop.png');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}

.header{
  display: flex;
  justify-content: center;
  height: calc(22vh - 22px);
  align-items: stretch;
  margin: 20px;
}

.banner{
  display: flex;
  justify-content: center;
  height: calc(75vh - 75px);
  align-items: stretch;
  margin: 20px;
  
}

.bios{
  display: flex;
  justify-content: center;
  height: calc(35vh - 35px);
  align-items: stretch;
  margin: 20px;
}

.gallery{
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  justify-content: center;
  height: calc(35vh - 35px);
  align-items: stretch;
  margin: 20px;
}