body { 
  font-family: Arial, sans-serif; 
  text-align: center; 
  margin: 30px; 
}
h1 { color: darkred; }
button, input { 
  margin: 5px; 
  padding: 8px 12px; 
  border: 1px solid #ccc; 
  border-radius: 6px; 
}
#mot, #grammaire { 
  margin-top: 20px; 
  font-size: 18px; 
  font-weight: bold; 
}
.regles { 
  margin-top: 20px; 
  text-align: left; 
  display: inline-block; 
}