}
.a-propos {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}
.a-propos h1 {
  text-align: center;
  color: goldenrod;
  margin-bottom: 20px;
  font-size: 1.6rem;
}
.a-propos p {
  margin-bottom: 15px;
  text-align: justify;
  font-size: 1rem;
}
@media (max-width: 420px) {
  .a-propos { padding: 16px; }
  .a-propos h1 { font-size: 1.4rem; }
  .a-propos p { font-size: 0.98rem; }
}