html {
  background: url('https://file.garden/aEnK9GK7YhOgwBQV/third/2732x2732-a499f0ba49d57986c62dd182a7dc81ff.jpg');
  background-size: 20%;
}

p{
color: #115E73;
font-size: 1.2rem;
text-shadow: 1px 1px 0 #FFF, -1px -1px 0 #FFF, -1px 1px 0 #FFF, 1px -1px 0 #FFF;
}

h1,h2,h3,h4,h5,h6{
color: yellow;
text-shadow: 1px 1px 0 #000, -1px -1px 0 #000, -1px 1px 0 #000, 1px -1px 0 #000;
}