* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }


  :root {
    --font: 'Borna';
    --baseline: 1rem;
  }

  body {
    color: #333;
    line-height: 1.6;
    background-color: rgb(234, 234, 234);
  }
  
  header {
    padding: 20px;
  }
  nav ul {
    display: flex;
    list-style: none;
    justify-content: space-between;
  }
  nav a {
    color: #333;
    text-decoration: none;
    margin: 0 15px;
  }
  nav a:hover {
    color: rgb(94, 83, 246);
  }

  
  section {
    padding: 60px 20px;
    max-width: 800px;
    margin: 0 auto;
  }
  

  h1 {
    max-width: 800px;
    margin: 0 auto;
    font-family: var(--font);
    font-weight: 600;
  }
  
  h3 {
    max-width: 800px;
    margin: 0 auto;
    font-weight: 500;
    font-family: var(--font);
  }
  

  p, nav {
    font-family: var(--font);
    line-height: 1.3em;
  }
  
  
  #span {
    font-family: var(--font);
    line-height: 1.3em;
    font-weight: 500;
    margin-top: 2%;
    text-decoration: underline;
  }
  
 
  
  a {
    text-decoration: none;
    cursor: pointer;
    color: rgb(94, 83, 246);
  }
  



#contenu9,
#contenu10 {
padding-bottom: var(--h-header);
}

#contenu2 h1,
#contenu3 h1,
#contenu4 h1,
#contenu5 h1,
#contenu6 h1,
#contenu7 h1,
#contenu8 h1,
#contenu9 h1,
#contenu10 h1{
  margin-top: 5%;
}

#contenu1 h3,
#contenu2 h3,
#contenu3 h3,
#contenu4 h3,
#contenu5 h3,
#contenu6 h3,
#contenu7 h3,
#contenu8 h3,
#contenu9 h3,
#contenu10 h3{
  margin-top: 3%;
}

/*images*/

#conteneur-images {
  margin-top: 20px;
}

#conteneur-images img {
  width: 200px;
  margin: 10px;
  border: 2px solid #ccc;
}

#ajouter-image {
  position: fixed;
  bottom: 15px;
  left: 30px;
  padding: 7px 15px;
  font-size: 16px;
  background-color: #747474;
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
}