body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow-x: hidden;
	
	background-color: #000;
	background-image: url(../img/pika-poker.jpg);
    background-size: cover;
    background-repeat: no-repeat;
	
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px;
}

.container {
    background-color: #ccccccDD;
	display: flex;
    min-height: calc(100% - 50px);
    flex-direction: row;
    flex-wrap: wrap;
}

.header {
    background-color: #33333355;
    color: #fff;
    text-align: left;
    width: 100%;
}

.footer {
    background-color: #33333355;
    color: #fff;
    text-align: center;
    width: 100%;
	height: 20px;
	text-shadow: 0 0 3px #000;
}

.sidebar {
    padding: 5px;
    flex: 0 0 200px;
}

.sidebar ul {
    list-style-type: none;
    padding: 0;
}

.sidebar li {
    margin-bottom: 5px;
}

.content {
	padding: 5px;
    flex: 1;
    overflow-y: auto;
}

.zone_titre_ssfamille {
	background-color: #FFF;
	border-radius: 5px;
	box-shadow: 2px 2px 5px #000;
}

.zone_blanche {
	width: 100%;
}

/* media query, écrans larges */
@media screen and (min-width: 781px) {
    .content {
        position: fixed;
        height: calc(100% - 70px);
        width: calc(100% - 230px);
        margin-left: 220px;
		
		display: flex;
		flex-direction: row;
    	flex-wrap: wrap; 
    }
    
    .header {
    	height: 30px;
    }
	
	.zone_titre_ssfamille {
		position: fixed;
		z-index:100;		
	}
	
	.zone_blanche {
		height: 150px;
	}
    
    .date_annee {
        font-size: 12px;
    }
    
    .bouton_famille_select {
        font-size: 16px;
    }
    
    .bouton_ss_famille {
        font-size: 16px;
    }
    
    .bouton_ss_famille_select {
	    font-size: 16px;
    }
    
    .bouton_retour_debut {
        visibility: hidden;
        width: 0px;
        height: 0px;
    }
    
}

/* media query, écrans plus petits */
@media screen and (max-width: 780px) {
    .container {
        flex-direction: column;
    }

    .content {
        position: static;
        width: 100%;
        margin-left: 0;
    }
    
    .header {
    	height: 50px;
    }
	
	.zone_blanche {
		height: 0px;
	}	
    
    .date_annee {
        font-size: 10px;
    }

    .bouton_famille_select {
        font-size: 12px;
    }
    
    .bouton_ss_famille {
        font-size: 12px;
    }
    
    .bouton_ss_famille_select {
	    font-size: 14px;
    }   
    
    .bouton_retour_debut {
        position: fixed;
        width: 80px; height: 37px;
		bottom: 20px; right: 20px;
		
		border-radius: 5px;
		border: 1px solid #999;
		box-shadow: 2px 2px 5px #000;
		
		background: #ccc url(../img/enhaut.png) no-repeat;
		background-size: 44px;
		background-position: 2px 2px;	
		
		padding: 12px 0 0 50px;			
		font-size: 20px;
		text-decoration: none;
		color: #000;
		
		cursor: pointer;
    }   
    
}