#presentation {
    background-image: url("../images/backgroundPresentation.jpg");
    background-position: center 38%;
    background-repeat: no-repeat;
    background-size: auto auto;
    height: auto;
    margin-bottom: -137px;
}
#textePresentation {
    float: left;
    font-family: Helvetica;
    margin-top: 30px;
    width: 860px;
    font-weight:500;
    font-size:1em;
}
#textepresentation ul {
    list-style: outside none "• ";
    margin-top: 3px;
    padding-left: 10px;
}
#textepresentation li {
    line-height: 24px;
}
#containerBtnDemandeDevis {
    float: left;
    margin-top: 35px;
    width: 100%;
}
#btnDemandeDevis{
    width:auto;
}
#btnDemandeDevis span{
    padding:0 15px;
    background-color:#36a9e0;
    float:left;
    width:100%;
}
#btnDemandeDevis span:hover{
    cursor:pointer;
    background-color:#1f70b8;
}
#btnDemandeDevis:hover{
	cursor:pointer;
}
#legendeBtnDemandeDevis {
    color: #2d2c4d;
    float: left;
    font-family: Open Sans Semibold;
    font-style: italic;
    letter-spacing: 0;
    margin-top: 2px;
    text-align: center;
    width: 100%;
}