style.css

body, html {
  color: gray;
  background: #121212;
  font-family: monospace;
  height: 100%;
   display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column; 
}
h1{
  text-align: center;
}
#showRecipe{
  background-color: salmon;
}
input{
  text-align: center  ;
}