#desktop {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#others {
    display: none;
}

@media screen and (max-width: 960px) {

    body {
        background-image: url(../img/index-tablette.jpg) !important;
        height: 100vh;
    }

    body > header {
        display: none !important;
    }

    .step-2 {
        display: none;
    }

    h1 {
        margin: 10vh 0 !important;
        font-size: 100px;
    }

    body#body_index p {
        text-align: center;
        font-size: 25px;
        margin: 0 0 30px 0 !important;
        width: 100%;
    }

    body button {
        display: none !important;
    }

    #mobile {
        display: none ;
    }

    #desktop {
        display: none !important;
    }

    #others {
        display: inherit;
        width: 50%;
        height: 50vh;
        margin: 0 auto 15vh auto;
        padding: 5%;
        border: solid 5px #fff5a9;
        display: flex;
        flex-direction: column;
        justify-content: space-evenly;
        align-items: center;
    }

}

@media screen and (max-width: 600px) {

    body {
        background-image: url(../img/index-mobile.jpg) !important;
    }

    h1 {
        font-size: 65px !important;
    }

    p {
        font-size: 20px !important;
        margin-bottom: 20px !important;
    }

    img {
        width: 60% !important;
    }

    #tablette {
        display: none !important;
    }

    #mobile {
        display: inherit !important;
    }

    #others {
        width: 60% !important;
    }

}