#DECK_cours_histoire {
    z-index: 5000;

    border: transparent;
    margin-left: 0;
    padding-left: 0;
    height: auto;
    overflow-x: hidden;
    text-wrap: nowrap;
}


#DECK_cours_histoire:hover {
    max-width: 20rem;
    background-color: #570735ee;
}

#PAGE_cours_histoire {
    z-index: 1000;
    position: relative;
    display: block;
    border: transparent;
    background-color: transparent;
    margin: 0 10px 0 25px;
    padding: 0 ;
    padding-bottom: 1rem;
    
    /*background-color: #F5F5F5; */
    /*background-color: #EAEAEA; */
    /*background-color: #DDD8C4;*/
    
    line-height: 1.5rem;
}

/* Normalement obsolete */
/*
#PAGE_cours_histoire h1{
    margin: 1rem 1.1rem;
    font-weight: bold;
    font-size: 1.5rem;
    text-align: center;
}
*/
.PAGE_cours_histoire_entete{
    display: block;
    margin-bottom: 0.5rem;
    min-width: 50%;
    font-weight: bold;
    font-size: 1.5rem;
    text-align: center;
}

.PAGE_cours_histoire_entete > h1 {
    display: block !important;
    height: 2rem;
}

.PAGE_cours_histoire_entete > h1 > img {
    display: inline !important;    /* le navigateur (ou du code js le met en none) */
    cursor: pointer;
    height: 100%;
}

.PAGE_cours_histoire_entete>h1>span{
/*    display: flex;
    align-items: center;
    justify-content: center;
    */
    position: relative;
    text-align: center;
    vertical-align: middle;
    top: -25%;
    cursor: pointer;
}


.NAV_vues{
    position: relative;
    display: block;
    /*top: -1rem;*/
    font-size: medium;
    line-height: 1rem;
}

.NAV_vues > a {
    display: inline;
    margin-left:0;
    text-decoration: none;}

.NAV_vues a:hover {
    background-color: brown;
}

p{
    text-align: justify;
}


.table_cours_histoire_tailles td{
    border: 2px solid #333;
}

img.cours_histoire{
    width: 500px;
}

.flex_centrer_verticalement_row{
    width: 100%;
    display: flex; 
    justify-content:left;
    align-items: center;
    background-color: transparent;
}

.flex_centrer_verticalement_column{
    width: 40%;           /* Largeur de chaque colonne */
    text-align: center;
}

#detail article {
    margin:1rem;
}

#detail article h1{
    margin: 1rem 1.1rem;
    font-weight: bold;
    font-size:1.5rem;
    text-align:center;
    border:4px solid cyan;
}
#detail article h2 {
    margin: 1rem 1.2rem;
    font-weight: bold;
    font-size: 1.4rem;
}
#detail article h3 {
    margin: 1rem 1.3rem;
    font-weight: bold;
    font-size: 1.3rem;
}

#detail article h4 {
    margin: 1rem 1.4rem;
    font-weight: bold;
    font-size: 1.2rem;
}
#detail article h5 {
    margin: 1rem 1.5rem;
    font-weight: bold;
    font-size: 1.1rem;
}
article ul { padding-left: 1rem; list-style-type: disc;}
article li { padding-left: 0.5rem; }

.image-bottom{
    display: block;
    margin: 1rem auto;
    text-align: center;
}



.mesozoique {
    background-color: brown;
}

.cenozoique {
    background-color: rgb(106, 22, 186);
}

.quaternaire {
    background-color: blueviolet;
}

/*  */