body{
    background-color:royalblue;
}
 
.banniere{
 
    display:flex;
    flex-direction: row;
    justify-content:center;
   height: 258px;
   margin-top: 10px;
   position:relative;
 
}
 
.images{
display: flex;
flex-direction: row;
margin-top:15px;
margin-top: 10px;
}
 
.left_menu{
display:column;
align-items: flex-start;
order:1;
 
}
 
.images_c{
    display:flex;
flex-direction: row;
justify-content: center;
order:5;
 
}
 
.right_menu{
    display:column;
    align-items: flex-start;
    order:1;
 
}