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

html {
  scroll-behavior: smooth;
}

body {
  background: rgba(216, 72, 6, 10.02);
  background: linear-gradient(169deg, rgba(216, 72, 6, 1) 2%, rgba(0, 0, 1, 1) 29%, 
  rgba(216, 72, 6, 1) 57%, rgba(216, 72, 6, 1) 87%, rgba(0, 0, 0, 1) 100%);
  min-height: 100vh;
  font-family: Arial, sans-serif;
  color: white;
  margin-top: 50px;
}

h1 {
  color: linear-gradient(169deg,rgba(245, 167, 0, 1) 48%, rgba(191, 2, 2, 1) 84%);
  font-size: 50px;
  text-decoration: underline red;
  padding: 30px 20px;
  text-align: center;
}

h2 {
  font-size: 25px;
  padding: 10px;
}

h3 {
  font-size: 30px;
  text-decoration: underline;
  margin-bottom: 15px;
  padding: 10px 20px;
  color: rgb(236, 201, 41);
}

h4{
  font-size: 25px;
  text-decoration: underline;
  margin-bottom: 15px;
  padding: 10px 20px;
}

p {
  font-size: 18px;
  line-height: 1.7;
  padding: 0 20px;
}

a {
  color: rgb(38, 183, 219);
  text-decoration: underline;
  font-size: 25px;
}

a:hover {
  color: white;
}

.lien1 {
  display: block;
  text-align: center;
  color: rgb(38, 183, 219);
  text-decoration: underline;
  font-size: 25px;
}

.intro {
  background-color: rgba(0,0,0,0.4);
  border-left: 4px solid rgba(8, 153, 8, 1);
  margin: 20px;
  padding: 20px 30px;
  border-radius: 10px;
  font-size: 18px;
  line-height: 1.8;
}

ul {
  padding: 10px 20px 10px 40px;
  font-size: 18px;
  line-height: 2;
}

ul li {
  margin-bottom: 5px;
}

.container {
  display: grid;
  grid-template-columns: 1fr 3px 1fr 3px 1fr;
  margin: 10px;
}

.box {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.separator {
  width: 3px;
  background-color: white;
}

.container-last {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 30px 10px;
  padding: 20px 0;
}

.box-last {
  max-width: 500px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.box-last p {
  line-height: 1.3;
  font-size: 16px;
  margin: 0;
  text-align: center;
}

.box-last h3 {
  margin-bottom: 5px;
  padding: 5px;
}

.photoBO1, .photoBO2, .photoBO3,
.photoBO4, .photoBO5, .photoBO6, .photoBO7 {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 50px;
  border: 3px solid rgb(5, 235, 24);
  margin-top: 10px;
}

.classes-container {
  display: flex;
  gap: 40px;
  margin: 20px;
}

.classe-box {
  flex: 1;
  background-color: rgba(0,0,0,0.4);
  border-left: 4px solid rgb(236, 201, 41);
  padding: 20px;
  border-radius: 10px;
}