body{
    background: url("../images/back.jpg");
    margin: 0;
}

a {
    text-decoration: none;
    color: #fff;
}

.header {
    width: 100%;
    /*height: 15%;*/
    background-color: black;
    text-align: center;
}

.message {
    position: absolute;
    top: 30%;
    width: 70%;
    left: 15%;
    height: auto;
    background-color: white;
    border-radius: 20px;
    text-align: center;
}

.header img {
/*    margin-top: 15px;
    height: 90%;*/
    width:100%;
}

.divHaut{
    height: 75px;
    width: 100%;
}

.divMilieu{
    height: 245px;
    width: 100%;
}

.divMilieu p{
    padding: 5%;
    font-size: 25px;
}

.divBas{
    height: 145px;
    width: 100%;
}

.btn {
    position: relative;
    background: #25d055;
    -webkit-border-radius: 28px;
    -moz-border-radius: 28px;
    border-radius: 50px;
    font-family: Arial;
    color: #ffffff;
    font-size: 35px;
    text-decoration: none;
    margin: auto;
    padding: 15px 0;
    width: 50%;
    min-width: 162px;
}

.btn2 {
    position: relative;
    background: #8e8c96;
    -webkit-border-radius: 28px;
    -moz-border-radius: 28px;
    border-radius: 50px;
    font-family: Arial;
    color: #ffffff;
    font-size: 35px;
    text-decoration: none;
    margin: auto;
    width: 25%;
    min-width: 132px;
}


@media (max-device-width: 769px) {

    .message {
        left: 5%;
        width: 90%;
        top: 20%;
    }
}