.bouton{
border-style:outset;
border-radius: 4px;
color: white;
}
.bouton:active{
border-style:inset;
}

.annuler{
width: 20%;
font-size: 1.5vw;
background-color: #f42774;
border-style: outset;
    border-color:#f42774;
}

.envoyer, .login{
width: 60%;
font-size: 2vw;
background-color: #ff64e0;
border-style: outset;
    border-color:#f0c;
    padding: 0 2vw;
}

.intention{
width: 60%;
font-size: 2vw;
background-color: orangered;
        padding: 0 2vw;
}

@media (orientation: portrait) {

    .annuler {
        font-size: 4vw;
        width: 30%;
    }

    .envoyer, .login {
        width: 60%;
        font-size: 4.5vw;
    }

    .intention {
        width: 60%;
        font-size: 4.5vw;
    }
}