body{
    background-color: #FFFFFF;
    font-family: "segoe ui", "helvetica neue", "calibri", "roboto", sans-serif;
    color: dimgray;
}

a{
    text-decoration: none;
    font-size: 22px;
    font-weight: 400;
    color: chocolate;
    margin-top: 3px; /*espace entre textes du menu*/
    margin-bottom: 3px; /*espace entre textes du menu*/
}

a:hover{
    color: dimgray;
}

main{
    width: 100%;
    height: 100%;
    display: flex; /*displayed horizontalement*/
    justify-content: space-between;
    margin: auto;
}

img{
    width: 100%;
    margin-bottom: 12px; /*pour l'écran d'un smartphone*/
}

.ma-photo{
    box-sizing: border-box;
    height: 100%; /*sinon top n'est pas pris en compte*/
    width: 30%;
    position: sticky;
    top: 60px;
    padding-left: 15%; /*pour repousser un peu (et reduire) la photo vers le texte*/
}

.in-the-middle{
    box-sizing: border-box;
    width: 40%;
    text-align: left;
    padding-left: 100px;
    padding-right: 100px;
}

nav{
    box-sizing: border-box;
    display: flex;
    align-items: flex-end;
    flex-direction: column;
    width: 30%;
    height: 100%; /*sinon top n'est pas pris en compte*/
    text-align: right;
    position: sticky;
    top: 60px;
    padding-right: 30px;
}

h1{
    font-size: 34px;
    font-weight: 400;
    margin-top: 40px;
    margin-bottom: 30px;
}

p{
    font-size: 18px;
    font-weight: 400;
    margin-top: 0;
    margin-bottom: 20px; /*distance entre paragraphes*/
}

p.size-nav{
    font-size: 22px;
    font-weight: 400;
    margin-top: 3px;
    margin-bottom: 3px;
}

nav hr{
    width: 150px;
    margin: 5px 0;
    border: 1px solid rgb(161, 161, 161);
    align-self: flex-end;
}

footer{
    text-align: center;
    width:100%;
    margin: auto;
    height: 30px;
    margin-top: 20px;
}


@media (max-width: 1500px){

    .ma-photo{
    width: 25%;
    padding-left: 5%;
    }

    .in-the-middle{
    width: 50%;
    padding-left: 50px;
    }

    nav{
    width: 25%;
    }

}

@media (max-width: 1080px){

    main{
    display: contents; /*displayed verticalement*/
    }
 
    .ma-photo{
    width: 70%;
    position: relative;
    margin: auto;
    padding-left: 0;
    padding-right: 25%;
    top: 40px;
    }

    .in-the-middle{
    width: 70%;
    padding-left: 0;
    padding-right: 0;
    margin: auto;
    margin-bottom: 10px;
    }

    nav{
    width: 70%;
    margin: auto;
    padding: 0;
    top: 0;
    margin-bottom: 30px;
    }

}


@media (max-width: 480px){
 
    .ma-photo{
    width: 100%;
    padding-right: 0;
    }

    .in-the-middle{
    width: 100%;
    }

    nav{
    width: 100%;
    }

    h1{
    font-size: 28px;
    }

    p{
    font-size: 16px;
    }

    a{
    font-size: 20px;
    }

    p.size-nav{
    font-size: 20px;
    }

    nav hr{
    width: 100px;
    }

}