* {
    box-sizing: border-box; 
}

/*générique*/


body {
    font-family: helvetica, sans-serif;
    background: url("../img/bkgd_page.jpg") no-repeat top / 100%;
    background-color: #f6f6f6;
    color: #343434;
}

.wrapper {
    font-size: 18px;
    margin: 0px auto;
    max-width: 1024px;
    padding-top: 45px;
}
/*fin générique*/

/*flottements*/

.fl-l {
    float: left;
}
.fl-r {
    float: right;
}
.clear {
    clear: both;
    height: 0px
}
/*flottements*/
/*logo e menu*/
#logo {
    width: 160px;
}
/*  */
.main-nav {
    margin: 25px 0 0 0;
    border: 1px dashed #fff;
}

.nav-link {
    float: left;
}
.nav-link a {
    color: #fff;
    text-decoration: none;
    font: 16px/2 arial;
    padding: 0px 20px;
    display: block;
    border-right: 1px dashed #fff;
}
.nav-link:last-of-type a {
    border-right: none;
}

.nav-link:hover a {
    color: #375a76;;
    background-color: #fff;
}

/*fin logo et menu*/

/*début slogan*/

.center{
    text-align: center
}

.slogan {
    margin: 160px 0 80px 0;
    color: #FFFFFF;
}
.slogan h1 {
    font: bold 72px/120% verdana;

}
.slogan  h2 {
    font: 48px/120% times;
}
.slogan  p {
    font: 24px/140% times;
    margin-bottom: 10px
}


/* couleur de fond et row */
.bgk-color {
    background: #f6f6f6;
}

.row {
    padding: 40px 15px;
}
.row:last-of-type {
    margin-bottom: 100px;
    background-color: #ddeae4;
    border:6px solid #305a47;
    margin: 0 25px 100px 25px;
}
/* fin main, footer et row */

/*première rangée, colonnage */

.col-1 {
    width: calc(75% - 20px);
    margin: 0 10px;
}

.col-2 {
    width: calc(25% - 20px);
    margin: 0 10px;
}
.col-50 {
    width: calc(50% - 20px);
    margin: 35px 10px;
}
/*fin première rangée, colonnage */

/* item */
.item {
    margin: 25px 0;
    line-height: 130%;
}
.item img {
    float: left;
    margin: 0px 10px 10px 0;
    border:3px solid #444;
}
.item h3 {
    font-size: 36px;
    font-weight: bold;
    line-height: 130%;
}
.item p {
    font-size: 18px;
    line-height: 130%;
    padding-bottom: 4px;
}
.item a:hover {
    opacity:0.5;
}
.item.meta {
    font-size: 14px;
    line-height: 130%;
    padding-bottom: 4px;
}
.item .author {
    color: #38b4b4;
}
.item .date {
    color: #aaa;
    font-style: italic;
}

/* fin .item */
/*.item-product*/
.item-product {
    margin-top: 55px;
}
.item-product-description {
    font-size: 0.8em;
}
.item-product-description a{
    color: #a22755;
    text-decoration: none;
    font-size: 0.7em;
}
.item-product-description a:hover  {
    color:#ccc;
}

/*fin item product*/

/*debut boite survol saut */
.boite-survol  {
    position: relative;
}
.legende-survol {
    position: absolute;
    padding-top: 175px;
    left:0;
    bottom:4px;
    /*/*ayant constaté un léger décalage avec le roll-hover, 
    je déplace légèrement le bloc*/
    right: 0;
    background-color: rgba(24,23,23,0.5);
    text-align: center;
    color: #fff;
    display: none;
    top: 0;

}
.brd-img {
    border: 1px solid #000;
}

.boite-survol:hover .legende-survol {
    display: block;
}
.legende-survol h2 {
    font-size: 2em;
    margin-bottom: 0.1em;
}
.legende-survol p {
    font-size: 1.3em;
}

.box-green a {
    color: #fff;
    text-decoration: none;
    font-size: 1.5em;
    width: 200px;
    padding: 10px;
    background-color: #0c7f06;
    margin: 30px auto;
    display: block;
}

.box-green a:hover {
    color:#ccc;
}

/*fin boite survol saut */
/* début item-book */
.item-book {
    width: 50%;
    padding: 22px;
    border:6px solid #305a47;
    text-align: center;
    background-color: #ddeae4;
}

.item-book:nth-child(odd) {
  border-right:none;
}

.item-book:nth-child(1), .item-book:nth-child(2) {
    border-bottom:none;

}

/* début formulaire */

.p20 {
    padding: 20px
} 
.bk-db {
    background-color: #ddeae4;
}
.ch-demi{
    width: 49%;
}
.ch-plein{
    width: 100%;
}
.formulaire {
    width: 60%;
    margin: 0 auto;
    font-family: helvetica, sans-serif;
    border:none;
}

.formulaire legend {
    font-size: 1.6em;
    padding: 15px 0;
}
.formulaire p {
    margin-bottom: 10px;
    min-height: 35px;
}

.formulaire input {
    padding: 8px;
    outline: none;
    border: 1px solid #B0CFE0;
}

.formulaire  textarea{
    height: 150px;
    font-size: 0.8em;
    font-family: arial, helvetica, sans-serif;
    /*on force la famille de police sur textarea*/
}
.formulaire input[type="submit"], 
.formulaire input[type="button"]
{
    display: block;
    color: #ededed;
    background: #305a47;
    font-size: 1.1em;
    text-align: center;
    width: 100%;
    border: 1px solid #ddeae4;
}
.formulaire input[type="submit"]:hover, 
.formulaire input[type="button"]:hover
{
    background: #109177;
    color: #fff;
}

/* fin formulaire*/

/*footer début*/
.fixe {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    /*
    en indiquant une largeur 100%
    on aura la largeur du parent #wrapper
    et le footer ne prendra pas toute la largeur
    de l'écrane
    le repère de la position fixe étant l'écran
    en indiquant left:0 et right:0
    on n'a pas besoin de spécifier la taille
    */
}

.main-footer {
    background-color: #305a47;
    padding: 5px 25px 25px ;
    font-size: 14px;
    color: #fff;
    text-align: center;
}
.liens-footer a {
    color: #fff;
    text-decoration: none;
}
.liens-footer a:hover {
    color: #b1b3b6;
}
.liens-footer li {
    text-align: center;
    display: inline;
    padding: 0 1em;
}
/*fin footer*/


/*****   TABLETTE **********/

@media screen and (max-width: 1024px) {

    .col-50 {
        width: 100%;
        display:flex;
        justify-content: center;
    }

    .item-book:nth-child(1), .item-book:nth-child(2){
        border-bottom: 6px solid #305a47;
    }
    .item-book:nth-child(2n+1){
        border-right:  6px solid #305a47;
    }
}

/********  Mobile *******/

@media screen and (max-width: 768px) {

	body{
        background-image: url("../img/bkgd_page.jpg") ;
        background-size: cover;
    }

	#main-header {
        display:flex;
        flex-direction: column;
    }

    .fl-l{
        float:none;
    }

    .fl-r {
        float:none;
    }

    .nav-link {
        float:none;
    }

    #main-nav {
        text-align: center;
    }

    #main-nav ul {
        display:flex;
        flex-direction: column;
    }
    #logo {
        width: 100%;
        text-align: center;
    }
    .row{
        display:flex;
        flex-direction:column;
    }
    .slogan{
        width: 80%;
        margin: 20px auto;
    }

    .col-1 {
        width: calc(100% - 20px);
    }
    .item img{
        float:none;
    }
}