@media (min-width:0px) and (max-width:1025px)  { /* smartphone et tablette petit format */
    
    #colonne_gauche, #colonne_droite{
        display: block;
        width: 100%;
    }
    #colonne_gauche{
        float: left;
        margin-right: 0;
    }

}
@media (min-width:1025px)  { /* autres */
    
    #colonne_gauche, #colonne_droite{
        display: block;
        width: 45%;
    }
    #colonne_gauche{
        float: left;
        margin-right: 5%;
    }

}
.main{
    min-height: 31.8vw;
}
#colonne_gauche, #colonne_droite{
    display: block;
}
#colonne_gauche{
    float: left;
}
#colonne_droite{
    float: right;
    margin-top: 1.4em;
}
#titre_contact{
    margin-bottom: 1.4em;
}
#parag_contact{
    margin-bottom: 1.4em;
}
form{
    width: 100%;
}
form input, form textarea, form label{
    display: inline-block;
    width: 100%;
    padding: 0em 0.5em;

}
form label{
    height: 2em;
    line-height: 2em;
}
form input{
    height: 2em;
}
form input, form textarea{
    border: none;
    background-color: rgb(240, 240, 240);
}
form input:focus, form textarea:focus{
    outline: none;
}
form input:auto{
    background-color: unset;
}
form textarea{
    padding: 1em 0.5em;
    resize: none;
}
form input[type=submit]{
    margin-top: 0.4em;
}
#image_contact{
    margin-top: 35px;
    width: 100%;
}
.miel{
    display: block;
    position: absolute;
    height: 0;
    width: 0;
    top: 0;
    bottom: 0;
}