/*html {
    background-color: #2ea9dd;
    height: 100%;
}

body {
    height: 100%;
}

.parent {
    display: grid;
    grid-template-columns: 200px 1fr;
    grid-template-rows: 100px 1fr;
    grid-column-gap: 0px;
    grid-row-gap: 0px;
    min-height: 100%;
}

#div_logo_app {
    grid-area: 1 / 1 / 2 / 2;
    background-color: #d7d7d7;
    display: flex;
    align-items: center;
    justify-content: center;
}

    #div_logo_app img {
        max-width: 100%;
        max-height: 100%;
    }

#div_menu_gauche {
    grid-area: 2 / 1 / 3 / 2;
    background-color: #d7d7d7;
}

#div_sub_body {
    grid-area: 1 / 2 / 3 / 3;
    background-color: #efefef;
}*/