#sous_menu{
    display: block;
    position: relative;
    float: left;
    top: 0px;
    left: 0;
    height: 350px;
    width: 20%;
}
#sous_menu h2{
    display: none;
    padding-left: 5px;
    color: rgb(255, 157, 171);
    text-transform: none;
}
#sous_menu h2:hover{
    cursor: pointer;
    background-color: rgb(255, 231, 231);
}
#visionneuse_accueil{
    padding: 0px;

    display: block;
    position: relative;
    float: right;
    top: 0px;
    height: auto;
    width: 80%;
}
.image_nom{
    display: block;
    position: relative;
    float: left;
    margin-top: 2%;
    height: 20px;
    width: 100%;

    font-size: 12pt;
    text-align: left;
}
@media screen and (max-width: 900px){ /* telephone */
    #sous_menu{
        display: none;
    }
    #visionneuse_accueil{
        width: 100%;
        left: 10px;
    }
    .image_nom{
        height: 30px;
        font-size: 11px;
    }
}