.boardBg{
    background-image: url(../pictures/death-korps-wallpaper.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
   }
  
.board_header{
  position: relative;
  z-index: 2;
  background-image: url('../pictures/header-bg.jpg');
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: center;
}

@media (min-width: 640px){
  .board_header{
    background-size: 70%;
    background-position: left;
  }
}

@media (max-width: 640px){
  .mainSectionHeight{
    min-height: calc(100vh - 650px);
  }
}

@media (max-width: 1024px){
  .resp-items-list {
    display: none;
  }
}