#b2 
{ 
 position: absolute; 
 left: 10px; 
 top: 40px; 
 padding: 0px; 
 background-color: rgb(118, 193, 255); 
 text-align: center; 
 border-radius: 20px 20px 20px 20px; 

}
* ---- Style global ---- */

body {
  font-family: 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  background-color: #f5f7fa;
  color: #222;
  line-height: 1.6;
}
 
/* ---- En-tête ---- */

.header {
  text-align: center;
  background: linear-gradient(135deg, rgb(118, 193, 255), #62acf7);
  color: white;
  padding: 60px 20px;
}
 
.header h1 {
  margin: 0 0 10px;
  font-size: 2.2em;
}
 
.header p {
  font-size: 1.1em;
  opacity: 0.9
}
 
/* ---- Sections ---- */

.section {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
}
 
.section h2 {
  color: #004080;
  border-left: 5px solid #ff822f;
  padding-left: 10px;
  margin-bottom: 20px;
}
 
/* ---- Liste pratique ---- */

.list {
  list-style: none;
  padding: 0;
}
 
.list li {
  background-color: white;
  margin: 10px 0;
  padding: 15px 20px;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
 
/* ---- Section finale ---- */

.highlight
{
  background-color: #0073e6;
  color: white;
  text-align: center;
  padding: 50px 20px;
}

 
.highlight h2 
{
  margin-top: 0;
  font-size: 1.8em;
}
 
.highlight p 
{
  max-width: 700px;
  margin: 10px auto;
  font-size: 1.1em;
}