footer {
    color: white;
    background-color: black;
    margin-top: auto;

}
#bande {
    width: 100%;
    background-color: grey;
    color: white;
    height: 40px;

}

footer ul li {
    list-style-type: none;
}

footer a {
    text-decoration: none;
    color: white;
}
.logofooter {
    width: 250px;
    height: 100px;
    margin-top: 50px;
    margin-left: 50px;
}

#bigcontainer {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr 1fr 1fr;
}
#container1 {
    float: left;
    width: 300px;
    height: 100%;
    margin-right: 150px;
}


.souscontain {

    margin-top: 25px;
    margin-left: 50px;
}
.souscontain p {
    color: white;
}

#container2 {
    width: 300px;
    height: 200px;
    margin-top: 50px;
    float: left;
    line-height: 40px;
}

#container3 {
    width: 300px;
    height: 100px;
    margin-top: 50px;
    float: end;
    line-height: 40px;

}



.mention {
    width: 100px;
    margin-right: 85%;
    float: left;
}
.auteur {
    width: 200px;
    float: end;
}

.sousbande {
    display: inline;
    width: 100%;
}

@media all and (max-width: 480px) {
    footer {
        width: 100%;
        height: 1000px;
        display: block;
    }

    #bigcontainer {
        width: 100%;
        height: 1000px;
        display: block;
    }

    #container1 {
        width: 300px;
        height: 400px;
        margin-left: 6%;
    }

    #container1 p {
        text-align: center;
    }

    #container2 {
        width: 300px;
        height: 400px;
        margin-left: 15%;
    }

    #container3 {
        width: 300px;
        height: 400px;
        margin-left: 10%;
    }
    #container3 li {
        text-align: center;
    }

    #bande {
        width: 100%;
    }

    .sousbande {
        width: 100%;

    }
    .mention {
        margin-right: 20%;
        margin-left: 2%;
    }
}

@media all and (max-width:360px) {
	
footer {
        width: 100%;
        height: 1000px;
        display: block;
    }

    #bigcontainer {
        width: 100%;
        height: 1000px;
        display: block;
    }

    #container1 {
        width: 200px;
        height: 300px;
        margin-left: 10%;
    }
	
	.logofooter {
		width: 150px;
		height: 75px;
	}
    #container1 p {
        text-align: center;
		
    }

    #container2 {
        width: 200px;
        height: 400px;
        margin-left: 20%;
    }
	
    #container3 {
        width: 200px;
        height: 300px;
        margin-left: 15%;
    }
    #container3 li {
        text-align: center;
    }

    #bande {
        width: 100%;
    }

    .sousbande {
        width: 100%;

    }
    .mention {
        margin-right: 30%;
        margin-left: 2%;
    }