body {
background-color: rgb(221,238,170);
min-height:100%;
}


.conteneur {
position: relative;
width: 940px;
margin: 0 auto;
background-color: red;
}

.header {
height: 80px;
text-align: center;
background-color: blue;
}


.menu{
float:left;
width: 15%;
height:70%;
margin-top:20px;
padding-left: 10px;
background-color: yellow;
}

.contenu{
float:left;
padding-bottom:50px;
padding-top: 30px;
text-align:justify;
margin-right: 20%;
margin-left: 20px;
overflow: auto;
background-color: green;
}


.colonneDroite{
float:right;
height: 70%;
padding-left: 20px;
margin-top:20px;
background-color: pink;
}


.footer {
position:relative;
text-align:center;
background-color: gray;
}