#back{
    display: none;
}

#user{
    display: block;
}

#home{
    display: block;
}

#container{
    display: flex;
    flex-flow: column;
    justify-content: center;
}

#choixSysteme{
    position: relative;
    width: 100%;
    height: 300px;
    display: flex;
    flex-flow: row;
    justify-content: space-evenly;
}

.zoneSysteme{
    position: relative;
    height: 100%;
    width: 180px;
}

.cardSysteme{
    position: relative;
    width: calc(100% - 26px);
    height: calc(100% - 26px);
    margin: 10px;
    border: 3px solid #3498db;
    background-color: white;
    opacity: 0.85;
    /*box-shadow: -1px 4px 10px 1px gray;*/
    display: flex;
    flex-flow: column;
    transition-duration: 0.5s;
}
.cardSysteme:hover{
    cursor: pointer;
    opacity: 0.95;
    transition-duration: 0.5s;
}

.imgSysteme{
    position: relative;
    height: calc(30% - 10px);
    margin: 5px;
    background-position: center;
	background-repeat: no-repeat;
	background-size: contain;
}

#systeme1{background-image: url("../img/logosimpleflux.png")}
#systeme2{background-image: url("../img/logodoubleflux.png")}
#systeme3{background-image: url("../img/logoTflow.png")}
#systeme4{background-image: url("../img/logodoublefluxduo.png")}
#systeme5{background-image: url("../img/logoaspiration.png")}
#systeme6{background-image: url("../img/Picto_Hisense_70x70.png")}

.textSysteme{
    position: relative;
    height: calc(70% - 10px);
    margin: 5px;
    display: flex;
    flex-flow: column;
    justify-content: center;
}

.titreSysteme{
    position: relative;
    margin: 5px;
    color: #3498db;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    display: flex;
    flex-flow: column;
    justify-content: center;
}

.infoSysteme{
    position: relative;
    margin: 5px;
    margin-top: 10px;
    color: #3b3b3b;
    text-align: center;
    font-size: 14px;
    display: flex;
    flex-flow: column;
    justify-content: center;
}

@media (max-width: 991px) { 
    
}

@media (max-width: 767px) { 

}
@media (max-width: 567px) { 
    #choixSysteme{
        height: 100%;
        flex-flow: column;
        justify-content: unset;
    }

    .zoneSysteme{
        height: 150px;
        width: 100%;
    }

    .cardSysteme{
        flex-flow: row;
    }

    .imgSysteme{
        height: calc(99% - 10px);
        width: calc(30% - 10px);
    }

    .textSysteme{
        height: calc(100% - 10px);
        width: calc(70% - 10px);
    }

    .infoSysteme{
        margin-top: 0px;
    }
}

@media (max-width: 440px) { 
    .titreSysteme{
        font-size: 14px;
    }

    .infoSysteme{
        font-size: 12px;
    }
}

@media (max-height: 400px) { 
    .titreSysteme{
        font-size: 14px;
    }

    .infoSysteme{
        font-size: 12px;
    }
}