body
{
margin: 0;
padding: 0;

}


h1
{
 font-size:27px;
 font-family:Arial Black,Arial,serif ;
 text-align:left;
 margin:0;
 padding:0;
 color:white;

 }
 #debut
 {
 background-color:rgb(0,128,255);
 }
 #bas
 {
  padding:55px;
  font-family:Arial Black,Arial,serif;
  }
  #bas2
 {
  padding:55px;
  font-family:Arial Black,Arial,serif;
  }
 #fin
  {
   text-align:justify;
 }
 #bas
 {
  float:left;/*le menu sera a gauche */
  width:120px; /*donner la taille du menu */
 }
 
  
#bas2
{
 margin-left:500px;
 padding:100px;
 
 }