#app_tuto{
    position: fixed;
    bottom: 1em; right: 1em;
    background-color: var(--black-color);
    border-radius: 25px 50px 25px 50px;
    border: solid 10px var(--main-color);
    max-width: 450px;
    padding: 1em 2em 1em 4em;
}

#app_tuto .dach_face{
    position: absolute;
    top: 0; left: 0;
    transform: translate(-60%, -25%) scaleX(-1);
    width: 125px;
    height: auto;
}

#app_tuto .tuto_title{
    color: var(--main-color);
    font-size: 24pt;
    margin-bottom: 0;
}

#app_tuto .tuto_subtitle{
    font-size: 10pt;
    font-style: italic;
    font-weight: lighter;
    margin-top: 0;
}

#app_tuto #page_number{
    text-align: right;
    color: gray;
    margin: 0;
}

#app_tuto #page_number .active{
    font-size: 1.5em;
    color: var(--main-color);
}

#app_tuto #btn_navigation{
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin: 20px 0 10px;
}

#app_tuto #btn_navigation button{
    background-color: transparent;
    border: none;
    color: white;
    cursor: pointer;
    margin-left: 10px;
    padding: 10px 20px;
    border-radius: 25px;
}

#app_tuto #btn_navigation button:focus{ outline: none; }
#app_tuto #btn_navigation button.close{ color: gray; }
#app_tuto #btn_navigation button.next{ color: white; background-color: var(--dark-main-color); }