header {
    width: 100%;
    background-position: 10px;
}
footer {
    width: 100%;
    color: #FF3E66;
    border-color: black;
    text-align: center;
}

div#conteneur {
    border-top: groove;
    border-bottom: groove;
    /*text-align: center;*/
    width: 100%;
}

html {
    font-size: 100%;
    margin: 50px;
    border: groove;
    border-radius: 25px;
}

/* Titres */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: bold;
    font-style: normal;
    text-align: center;
}

h1 {
    color: orangered;	
    text-shadow: 2px 2px 4px orange;
    font-weight: normal;
    font-size: 3em;
}

h2 {
    font-size: 1.8em;
    margin: 0.5em 0 0.5em 0;
    color: gray;
}

.tel {
    font-family: Arial, Verdana, sans-serif;
}

legend {
    margin-top: 20px;
    color:red;
    text-align: center;
}

.left {
    text-align: left;
}

.middle {
    text-align: center;
}

.right {
    text-align: right;
}

.big {
    font-size: 1.2em;
}

.small {
    font-size: 0.8em;
}

.cadre {
    border-bottom: medium groove;
    border-bottom-color: #D3D3D3;
    background-color: #dde0e3;
    /*margin: 1%;*/
    margin-top: 1%;
    margin-bottom: 0.5%;
    padding: 1%;
    border-radius: 20px;
    font-family: Arial, sans-serif;
    font-size: 1em;
}