html
{
    font-family: arial;
    font-size: 1.5vh;
    width:99% ;
    height: 99%; 
}


body
{
    display: flex;
    flex-direction: column;
    overflow: auto;
    align-items: center;
    justify-content: center;
    height:97vh;
    background-color: #FCC4B4;
}


@media (orientation : landscape)
{
     main
    {
        display: none;
    }

    aside
    {
        display: flex;
        flex-direction: column;
        justify-content:center;
        align-items: center;
        width:55vw;
        height:100% ;
        overflow: auto ;
    }

    aside img
    {
        padding-top: 2vh;
        height: 39vh;
        width: 39vh;
    }

}


@media (orientation : portrait) /* affiche un text invitant à tourner l'appareil en mode paysage*/
{
    main
    {
        display: flex;
        flex-direction: column;
        justify-content:center;
        text-align:  center;
        font-size: 4vh ;
        color: blue;
        width: 100%;
        height:95% ;
    }

     aside
    {
        display: none;
    }
}

.styled_big_spec
{
    border: 0;
    line-height: 1.5;
    font-size: 2vh;
    text-align: center;
    color: #000;
    text-shadow: 1px 1px 1px #000;
    border-radius: 1vh;
    background-color: rgba( 00, 170, 255,  1);
    /*background-image: linear-gradient(to top left,
                                      rgba(0, 0, 0, .2),
                                      rgba(0, 0, 0, .2) 30%,
                                      rgba(0, 0, 0, 0));*/
    box-shadow: inset 2px 2px 3px rgba(255, 255, 255, .6),
                inset -2px -2px 3px rgba(0, 0, 0, .6);
    width:50vh ;
    height: 50vh ;
}

.rouge
{
    color: #F00;
}