.H {
  position: absolute;
  left: 0px;
  top:0;
  width: 100%;
  height: 8px;
  background: url('../images/page/haut.jpg') top left;
  z-index: 2;
  }

.B {
  position: absolute;
  left: 0px;
  bottom:0;
  width: 100%;
  height: 13px;
  background: url('../images/page/bas.jpg') top left;
  z-index: 2;
  }
  
.G{
  position: absolute;
  left: 0px;
  top:0;
  width: 8px;
  height: 100%;
  background: url('../images/page/gauche.jpg') top left;
  z-index: 2;
  }
  
.D{
  position: absolute;
  left: 764px;
  top:0;
  width: 19px;
  height: 100%; 
  background: url('../images/page/droit.jpg') top right;
  z-index: 2;
  }
  
.HG {
  position: absolute;
  left:0;
  top:0;
  width: 21px;
  height: 21px;
  background: url('../images/page/coin-gauche.jpg') no-repeat top left;
  z-index: 3;
  }
  
.BG {
  position: absolute;
  left:0;
  bottom:0;
  width: 14px;
  height: 13px;
  background: url('../images/page/coin-bas-gauche.jpg') no-repeat top left;
  z-index: 3;
  }
  
.HD {
  position: absolute;
  left: 755px;
  top:0;
  width: 28px;
  height: 21px;
  background: url('../images/page/coin-droit.jpg') no-repeat top right;
  z-index: 3;
  }

.BD {
  position: absolute;
  left: 769px;
  bottom:0;
  width: 14px;
  height: 13px;
  background: url('../images/page/coin-bas-droit.jpg') no-repeat top right;
  z-index: 3;
  }