body {
    background-color: black;
    color: white;
    font-family: 'Poppins', sans-serif;

}



@media (min-width: 600px) {

    main {
        width: 50%;
        margin: 0 auto;
    }

    #header {
        display: flex;
        height: 250px;
    }

    #logo{
        width: 50%;
    }

}

@media (max-width: 600px) {

    main {
        width: 85%;
        margin: 0 auto;
    }

    #header {
        display: flex;
        height: 150px;
    }

    #logo{
        width: 100%;
    }

}

#imag-astro{
    /* width:30%;
    height: 50px;
    */
    text-align: left;
   
}

#image{
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
}

#titre-astro{
    display: flex;
    font-size: 25px;
    text-align: left;
    justify-content: left;
}

#footer {
    margin: 0 auto;
    width: 50%;
    text-align: center;
}

ul, li{
    margin-left: 5px;
    padding-left: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
}

li.detail {
    margin-left: 10px;
    padding-left: 10px 
}

p {
    font-family: 'Poppins', sans-serif;
    text-align: left;
    font-size: 20px;
}



#affiches {
    display: flex;

}

#img2023, #img2022 {
    width: 150px;
    margin: 0 auto;   
}

a, a:hover, a:link, a:visited {
    color: white;
}



div.partenaires {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    background-color: white;
    padding-top:10px;
    padding-bottom: 10px;
}

div.partenaires img {
    margin-left: 20px;
}


@media screen and (max-width: 450px) {

    div.partenaires {
        display: block;
        text-align: center;
        width: 100%;
        background-color: white;
        padding-top:10px;
        padding-bottom: 10px;
    }
    
    div.partenaires img {
        margin-left: 0px;
    }
    
  }