body {
  font-family: "inter";
  font-size: 12pt;
  background-color: white;
  min-height: 100%;
  width: 100%;
  text-align: justify;
  margin: 0px;
  padding: 0px;
  background-image: url('space.jpg');
  background-size: cover;                 
  background-position: center;            
  background-repeat: no-repeat;           
}

img {
  width: 200px;
  height: auto; 
}

div.ligne-verticale {
     position: absolute; 
     top: 0; 
     left: -1%; 
     width: 1px;
     height: 100%; 
     background-color: black;
}

aside {
  float: left;
  width: 200px;
  background-color: grey;
  padding: 25px;
  height: 1000px; 
  position: fixed; 
  left: 0px;
  top: 0;
  text-align: center;
}

header {
  display: flex;
  background-color: black;
  height: 60px;
  margin-left: 250px;
  padding-left: 20px;
  align-items: center;
  justify-content: space-between;
}

Header nav{
  vertical-align: top;
  display: inline-block;
  height: 100%;

}

header h1 {
  color: white;
}

header nav ul {
  display: flex;
  list-style-type: none;
}

header nav li{
  width: 150px;
  margin-top: 7px;
  text-align: center;
}

header a {
  color: white;
  height: 100%;
  width: 100%;
  text-decoration: none;
}

header a:hover {
  color: black;
  background-color: darkgray;
  border-radius: 2px;
}

.start {
  margin-top: 60px;
  margin-bottom: 60px;
  font-weight: bold;
  background-color: lightpink;  
  border: 1px solid lightgrey;    
  border-radius: 75px;        
  padding: 10px;
  flex: 1;                   
  min-width: 250px;          
  box-shadow: 0 2px 5px rgba(0,0,0,0.5);
  text-align: center;
}

.name {
  font-size: 120px;
  text-align: center;
}

.contenu {
  margin-left: 250px;
  padding: 20px;
}

.title {
  text-align: center;
  font-size: 20px;
}

.video64 {
  display: block;      
  margin: 0 auto;       
  width: 600px;         
  max-width: 100%;     
}

.video {
}

.videos {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 20px;

}

.section {
  display: flex;           
  gap: 20px;                  
  flex-wrap: wrap;            
  margin-bottom: 30px;        
}

.section-title {
  font-size: 40px;
    font-weight: bold;
  color: white;
}

.subpart {
  border: 1px solid lightgrey;    
  border-radius: 25px;        
  padding: 15px;
  flex: 1;                   
  min-width: 250px;          
  box-shadow: 0 2px 5px rgba(0,0,0,0.5);
  text-align: center;
  }

  .subpart-title {
    font-size: 40px;
    font-weight: bold;
    border: 1px solid lightgrey;    
    border-radius: 25px;        
    padding: 15px;
    flex: 1;                   
    min-width: 250px;          
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
    text-align: center;
  }

  .section-title {
    font-size: 50px;
    text-align: center;
  }

.subpart-subtitle {
  font-size: 20px;
}

.subpart-content {
  font-size: 30px;
}

.education-section .subpart {
 background-color: lightblue;  
}

.skills-section .subpart {
 background-color: lightyellow;  
}

.experience-section .subpart {
 background-color: lightgreen;  
}