body, html{
    margin:0;
    padding:0;
    overflow:hidden;
}

#t_app{
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    background: url('bg.jpg') center no-repeat;
}

#date{
    position: absolute;
    top:20%;
    left:20%;
}

#carte{
    width: 100%;
    height: 100%;
}

.t_top_all{
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    height: 5%;
}

.t_bottom_left{
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 100;
    width: 25%;
    height: 95%;
}

.t_bottom_right{
    position: absolute;
    bottom: 0;
    right: 0;
    z-index: 100;
    width: 75%;
    height: 95%;
}


.t_cc40{
    position: absolute;
    top: 50%;
    left:50%;
    width: 40vw;
    height: 40vh;
    margin-top: -20vh;
    margin-left: -20vw;
    background: #e8e8e8 url('histoireio_logo.png') no-repeat center;
    background-size: 80% 80%;
    border-radius: 5px;
    box-shadow: 0px 0px 20px #000;
    transition: 1s;
    z-index: 100;
}

.t_cc40:hover{
    width: 60vw;
    height: 60vh;
    margin-top: -30vh;
    margin-left: -30vw;
    background-size: 80% 80%;
}

.bgback{
    position: absolute;
    top:0;
    left:-12vw;
    width: 125vw;
    height: 125vh;
    z-index: 50;

}