body 
{background-color:#696969;}
header
{margin-left: 140px;
margin-right: 140px;
box-shadow: 4px 4px 0px #808080;
float:center;
background-color: #DCDCDC;}
#header
{text-align: center;
font-size:50px;
color:#130052;
font-family: verdana;
 font-weight: normal;
 text-decoration: none;}
nav
{float: left;
width: 190px;
margin-right: 125px;
background-color:#DCDCDC;
box-shadow: 4px 4px 0px #808080;}
#nav
{font-size: 2px;
font-weight: normal;
color:#130052;
font-family: verdana;
text-align: center;
}
section
{margin-right: 140px;
margin-left: 200px;
background-color: #DCDCDC;
box-shadow: 4px 4px 0px #808080;}
#section 
{font-size: 12.5px;
color:#130052;
font-family: verdana;
font-weight: normal;
text-align:center;
}
footer
{margin-right: 140px;
margin-left: 200px;
background-color: #DCDCDC;
box-shadow: 4px 4px 0px #808080;}
#footer
{text-align: left;
font-size: 10px;
color:#130052;
font-family: verdana;
text-align:center;}
a:link
{font-weight: normal;
font-size: 20px;
color: #130052;
text-decoration: none;
text-align:center;}
a:hover
 {color:#778899;}
 #titre
 {font-size: 35px;}
 #lien
 {font-family: impact;}
 .img{
 
 margin-right: 150px;
 margin-left: 250px;
 width: 50%;
}
 
 #contact{
font-size:10px;}

.mode{

float: fixed rigth;
width: auto;
}
.gadget{

float: fixed left;
width: auto;}
#mode{
text-align:center;}