@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@300&display=swap');

body {
    margin: 0;
    padding: 0;
    font-family: "Ubuntu";
}
main {
    display : flex;		/* tous les éléments immédiatement inclus dans main sont impactés*/
    flex-wrap: wrap;
    align-content: space-between;
    justify-content : center;
    align-items: center;

    /* margin-bottom: -16px; */
}
main div {
    min-width : 120px; 	/* on attribue une largeur et une hauteur minimum à tous les div contenus dans main */
    min-height : 120px;
}

.page {
    background-image: url("../images/1920x1080_px_abstract_graphics_Modern_technology_vectors-1485403.jpg!d.jpg");
    background-attachment: local,scroll;
    background-size: cover;
    background-repeat: no-repeat;
}

.page main {
    min-height : 100vh;
}

button {
    display: inline-block;
    text-align: center;
    color: rgb(187, 187, 187);
    border-radius: 3px;
    background-color: aliceblue;
}
button:hover {
    background-color: rgb(91, 178, 255);
    color: white;
}
/* header***************** */
header {
    height: 100vh;
}
.image_back{
    height: 100vh;
    background-image: url("../images/Intelligence-Artificielle-Intelligence-Achats-augmentee-T.jpg");
    filter: blur(1.5rem);
    background-attachment: scroll,local;
    background-size: cover;
}
.cadre_header {
    margin: 0;
    padding: 0;

    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0, 0.4); /* Black w/opacity/see-through */
    color: white;
    font-weight: bold;
    border: 1px solid #000000;
    border-radius: 4px;

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    width: 80%;
    height: 20%;
    padding: 20px;
}

.cadre_header .txt_header {
    text-align: center;
    vertical-align: middle;
    /* position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); */
}

.posh {
    height: 20%;
}

/* header***************** */


.intro {
    margin-top: 10px;
    width:1200px;
    height:120px;
    background-color :#b9e8f0;
    overflow: scroll;
}
.intro2 {
    /* margin-top: 10px; */
    /* padding: 10px; */
    width:240px;
    height:120px;
    background-color : #c1cbd6;
    /* overflow: hidden; */
}
.intro2 > p {
    height: 60px;
    overflow: hidden;
}

/* button {
    margin-top: -200px;
} */

.contenu{
    width:45%;
    background-color : #c1cbd6;
    margin : 20px
}
.icones {
    width:100%;
    background-color : #b9e8f0;
}
.article {
    width:30%;
    margin : 20px 10px 20px 0;  
    background-color : rgb(156,177,218);
}

.Webographie {
    width:100%;
    background-color : #b9e8f0;
    text-align: center;
}

/* nav bar ----------------------------------------- */

.nav2 {
    z-index: 500;
    top: -46px; 
    bottom:0;
    /* width: 90%; */
    position:fixed; 
    /* overflow-y:scroll; 
    overflow-x:hidden; */
}

.anim {
    transform: translateY(46px);
    transition: 2s;
}

#navbar ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: rgb(124, 199, 218);
}

#navbar li {
    float: left;
}
  
#navbar li a{
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

#navbar li a:hover {
    background-color: rgb(212, 212, 212);
}

/* nav bar fin ----------------------------------------- */


/* footer */

footer {
    margin: 0;
    padding: 0;
    background-color: #65a0f8;
    height: 100%;
    width: 90%;
    margin: 100px auto 0 auto;
    border-radius: 10px;
    text-align: center;
    vertical-align: middle;
    color: aliceblue;
}
/* .footer_end {
    display: block;
    z-index: 999; */
    /* bottom: 0;
    width: 100vw;
    height: 10vh;
    background-color: #65a0f8;
    color: whitesmoke;
} */