html {
  height: 100%;
  width: 100%;
}
.img-fav{
border: 10px solid white;
width: 400px;
}
body{
background-color:black;
  color:white
}

h1{
  border:10px double white;
}
.links-h1{
  border:1px solid white;
  padding:10px;
  margin:50px;
}
.header{
  border: 10px double white;
  padding:10px;
}
.h2{
 border: 7px double white;
  padding:10px
}