#acces-observatoire {
  box-sizing: border-box;
  width: min(31rem, calc(100% - 2rem));
  max-height: calc(100% - 2rem);
  margin: auto;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border: 1px solid #c9cfc3;
  border-top: 4px solid #af4c35;
  background: #f4f1e8;
  color: #182e2b;
  font: 1rem/1.6 Arial, sans-serif;
}
#acces-observatoire::backdrop {
  background: rgb(16 34 29 / 72%);
}
#acces-observatoire h2 {
  margin: 0 0 1rem;
  font: 400 clamp(1.75rem, 4vw, 2.25rem)/1.12 Georgia, serif;
  letter-spacing: -.035em;
}
#acces-observatoire p {
  margin: 0 0 1.5rem;
}
#acces-observatoire .acces-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1rem;
}
#acces-observatoire a,
#acces-observatoire button {
  display: inline-block;
  padding: .75rem 1rem;
  border: 0;
  font: 600 .9rem/1.4 Arial, sans-serif;
  cursor: pointer;
}
#acces-observatoire a {
  background: #182e2b;
  color: #fffdf6;
  text-decoration: none;
}
#acces-observatoire a:hover {
  background: #99402d;
}
#acces-observatoire button {
  background: transparent;
  color: #182e2b;
  text-decoration: underline;
  text-underline-offset: .2em;
}
#acces-observatoire :focus-visible {
  outline: 2px solid #af4c35;
  outline-offset: 3px;
}