body
{
   width: 780px;
   margin: auto;
   margin-top: 25px;
   margin-bottom: 10px;    
   background-color: #808080;
   font-size: 15px;
}

#en_tete
{
   width: 780px;
   height: 150px;
   background-image: url("images/alfa-159.jpg");
}

#corps
{
   width: 780;
   color: black;
  background-color: #ffffff;
  margin: auto;
}


#pied_de_page
{
  color: #000000;
  width: 780px;
  text-align: center;
  background-color: #d6e7f9;
}


.left 
{
float: left;
}

img
{
border: none;
}

a
{
text-decoration: none;
color: #000000;
}

a:hover
{
color: red;
}

.gauche
{
  float: left;
  margin-left: 5px;
  margin-right: 5px;
}

p:first-letter
{
font-size: 150%;

}

table.menu
{
border: 2px solid black;
text-align: left
}

th.menu
{
color: #000000;
background-color: #d6e7f9;

}


h1
{
background-color: #d6e7f9;
text-align: center;
color: #000000;
width: 100%;
}

a.menu
{
color:white;
}

table.technique
{
border: 2px solid black;
}