.home {
  width:790px;
  height:733px;
  float:none;
  margin:0 auto;
}
.linkheb {
  height:44px;
  width:146px;
  position: absolute;
  z-index: 1;
  margin-left:470px;
  margin-top:630px;
}
.linkeng {
  height:44px;
  width:146px;
  position: absolute;
  z-index: 1;
  margin-left:186px;
  margin-top:630px;
}
.imga {
 position: absolute;
   z-index: -1;
}