body{
    margin:0;
    padding:0;
    width:100%;
}

#jumboid{
    width:100% ;

}

.bg-image {
    position: relative;
}
.bg-image img {
    display: block;
    height: auto;
    width: 100%;
    margin: 0 auto;

}

header{
  width:100%;
  height:100%;
  height:calc(100% - 1px);
  background-image:url('a.jpg');
  background-size:cover;
}

footer a{
    color:white;
}