body {
  background-color: #2c2c2c;
  color: white;
  font-family: Arial, sans-serif;
  margin: 0;
}

.entete {
  background-color: #ff4500;
  padding: 30px;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: 2.5em;
}

.nav {
  text-align: center;
  margin: 20px 0;
}

a {
  color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
}

img {
  display: block;
  margin: 30px auto;
  width: 600px;
  max-width: 90%;
  border: 7px solid #ff4500;
  border-radius: 20px;
}

p {
  max-width: 800px;
  margin: auto;
  padding: 0 20px 40px;
  font-size: 1.1em;
  line-height: 1.6;
  text-align: justify;
}

.footer {
  text-align: center;
  color: #bbb;
  margin-bottom: 20px;
}

main {
 margin-left:15%;
 margin-right:15%;
  margin-bottom:30px;
}

.encadrement {
 display:flex;
 align-items: center;
}

.imageprot {
 display:flex;
 width:33%;
 background-color:#2c2c2c;
}

.petitcadre {
 width:67%;
 background-color:#2c2c2c;
}

.titre {
 background-color:#2c2c2c;
 margin:30px;
 text-align: center;
 text-decoration: underline;
 text-decoration-color: #ff4500;
 text-underline-offset: 15px;
}

.bloc {
 background-color:#2c2c2c;
 margin:50px;
 border: 5px solid #ff4500;
 border-radius: 20px;
 padding: 7px;
 text-align: justify;
 top: 50%;
}
.petittitre {
 font-size: 1.2em;
 font-weight: bold;
}