html
{
    background-color: #eaeaea
}

#titre
{
    text-align: center;
}

#marrant
{
    font-size: 0.8em ;
}

#navun
{
    float:left;
}

#navdeux
{
    float:right;
}

nav
{
    background-color: #a3a3a3;
    box-shadow: 2px 3px 5px black;
    border-radius: 10px;
    text-align: center;
    width: 35%;
    padding: 2px;
    margin-left: 5%;
    margin-right: 5%;
    margin-bottom: 1%;
}

header
{
    background-color: #c9c9c9;
    box-shadow: 2px 3px 5px black;
    border-radius: 100px;
    border-style: inset;
    margin-bottom: 1%;
}

#deco
{
    text-align: center;
    font-size: 1.5em;
}


#decod
{
    float: right;
    width: 18%;
    text-align: center;
    background-color: #cccccc;
    border-style: groove;
    border-radius: 50px;
}

#choco
{
    background-color: #a3a3a3;
    border-style: double;
    border-radius: 50px;
    margin-left: 10px;
    margin-right: 10px;
}

#manette
{
    background-color: #a3a3a3;
    border-style: double;
    border-radius: 50px;
    margin-left: 10px;
    margin-right: 10px;
}

#millefeuille
{
    background-color: #a3a3a3;
    border-style: double;
    border-radius: 50px;
    margin-left: 10px;
    margin-right: 10px;
}

#ordi
{
    background-color: #a3a3a3;
    border-style: double;
    border-radius: 50px;
    margin-left: 10px;
    margin-right: 10px;
}

#decog
{
    float: left;
    width: 18%;
    text-align: center;
    background-color: #cccccc;
    border-style: groove;
    border-radius: 50px;
}

#presentation
{
    margin-top: 20px;
    margin-right: 20%;
    margin-left: 20%;
    background-color: #cccccc;
    text-align: justify;
    border-radius: 2px;
    padding: 10px;
    float: none;
    border-style: double;
}

#selection
{
    margin-top: 20px;
    margin-right: 25%;
    margin-left: 25%;
    background-color: #cccccc;
    text-align: center;
    border-radius: 50px;
    padding: 10px;
    float: none;
    border-style: groove;
    font-size: 1.5em;
}

#travail
{
    background-color: #cccccc;
    text-align: center;
    border-style: groove;
    font-size: 1.25em;
    margin-right: 30%;
    margin-left: 30%;
    padding: 5px;
    border-radius: 25px;
}