.normal
{
   font-size: 20px;
}
h1
{
   color: yellow;
   front-size: 400.em;
   font-weight: bold;
   font-family: Arial, "Arial black", "Times New Roman", serif; 
   
}
h2
{
   color: green;
   font-family: Arial, "Arial black", "Times New Roman", serif;
   text-decoration: 

}
p
{
   text-indent: 50px;
   color: navy;
   font-weight: bold;
   background-color: yellow
   font-family: Arial, "Arial black", "Times New Roman", serif;
   text-align: center;
}
.ma
{
   text-transform: uppercase;
   text-align: center;
   background-color: blue;
   font-family: Arial, "Arial black", "Times New Roman", serif;
}

body
{
 
   background-image: url("http://pagesperso-orange.fr/geobiologie-energie/carnac.JPG");
   background-attachment: fixed;
   font-family: Arial, "Arial black", "Times New Roman", serif;
   width: 760px;
   margin: auto;
   margin-top: 20px;
   margin-botton: 20px;
   background-color:aqua;
   background-repeat: no-repeat
   background-position: top right
}
#en_tete
{
   width: 760px;
   height: 100px;
   margin-botton: 10px;
}
#menu
{  float: left;
   width: 150px;
}
.element_menu
{
   background-color: blue;

   border: 2px solid black

   margin-botton: 5px;
}
h3
{
   color: yellow;
   front-size: 50.em;
   font-weight: bold;
   font-family: Arial, "Arial black", "Times New Roman", serif;
}
a
{
   color: yellow;
   font-style: italic;
   font-family: Arial, "Arial black", "Times New Roman", serif;
}
table
{
   border-collapse: collapse;
}
td, th
{
   border:4px solid black;
}
.mu
{
   text-align: center;
   color: red;
   front-size: 200.em;
   font-weight: bold;
}
caption
{
   color: yellow;
   front-size: 50.em;
   font-weight: bold;
   font-family: Arial, "Arial black", "Times New Roman", serif;
}
.mi
{
   front-size: 40px;
   background-color: red;
   font-family: Arial, "Arial black", "Times New Roman", serif; 
} 
.na
{
   text-transform: uppercase;
   text-align: center;
   background-color: blue;
   font-family: Arial, "Arial black", "Times New Roman", serif;
}
.ni
{
  text-transform: uppercase;
   text-align: center;
   background-color: purple;
   font-family: Arial, "Arial black", "Times New Roman", serif;
}
.nu
{
  text-transform: uppercase;
   text-align: center;
   background-color: lime;
   font-family: Arial, "Arial black", "Times New Roman", serif;
}