@media screen 
  and (min-device-width: 450px)  
   { 
    #screen{
        width: 65vh;
        height: 100vh;
        display : flex;
        flex-direction : column;
        justify-content: center;
        align-items: center;
        background-color: #f3f3f3;
    }
}

@media screen 
  and (max-device-width: 449px)   { 
    #screen{
        display : flex;
        flex-direction : column;
        justify-content: center;
        align-items: center;

        background-color: #f3f3f3;
        height : 100%;
        width: 100%;    
        max-height: 100%;
        position: relative;
    }
}



html {
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    background-color: white;
    justify-content: center;
    align-items: center;
    height: 100%;
    margin: 0;  
    overflow: hidden;
}

img {
    object-fit: cover;
    width : 100%;
}

a
{
    text-decoration: none;
}

#titre
{
    font-size: 2.5vh;
}