.subtitle {
        font-size: large;
        margin-top: -50px;
    }

    h1
    {
        color: rgb(231, 216, 216);
    }
    #boutton {
        z-index: -1
    }

    #link {
        color: #007AFF;
        font-weight: lighter;
        text-decoration: none;
    }

    #phantom { /*Image central*/
        width: 15%;
        height: 15%;
        display: inline-block;
        padding: 50px;
        background-position: center;
        background: linear-gradient(45deg, #770c0c, #830d0d, #ac2727, #f3f3f3);
        background-size: 600% 600%;
        animation: gradient 8s ease infinite;
        border-radius: 50%;
        padding: 3px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);

    }


    a:hover {
        text-decoration: none;
    }

    .title
    {
        margin-bottom: 4em;
    }
    body {
        display: flex;
        flex-wrap: wrap;
        margin: 0;
        padding: 0;
        min-height: 100vh;
        justify-content: center;
        align-items: center;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        background: linear-gradient(45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
        background-size: 600% 600%;
        animation: gradient 8s ease infinite;
    }

    @keyframes gradient {
        0% {
            background-position: 0% 50%;
        }

        50% {
            background-position: 100% 50%; /*Dégradé incroyable*/
        }

        100% {
            background-position: 0% 50%;
        }
    }
    h2
    {
        font-size: medium;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        color: #1863be;
        font-weight:normal;
    }
    #general {

        padding: 30px;
        text-align: center;
        text-decoration: none;
    }

    .container {
        width: 1000px;
        position: relative;
        display: grid;
        justify-content: center;
        align-items: center;
        grid-template-columns: 1fr 1fr 1fr;
        grid-gap: 10px 2em;
        transform: translateY(-10px);
    }

    .container .card {
        position: relative;
        margin-right: 10px;
        margin-left: 10px;
        
    }

    .container .card .face {
        width: 240px;
        height: 210px;
        transition: 0.5s;
        border-radius: 8%;
    }

    .container .card .face.face1 {
        position: relative;
        background: rgb(255, 255, 255);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 1;
        transform: translateY(100px);
    }

    .container .card:hover .face.face1 {
        transform: translateY(0);
        background: #ffffff;
    }

    .container .card .face.face1 .content {
        opacity: 0.6;
        transition: 0.5s;
    }

    .container .card:hover .face.face1 .content {
        opacity: 1;
    }

    .container .card .face.face1 .content img {
        max-width: 150px;
    }

    .container .card .face.face1 .content h3 {
        margin: 0 0 0;
        padding: 0;
        color: black;
        text-align: center;
        font-size: 1.5em;
    }

    .container .card .face.face2 {
        position: relative;
        background: #b4b4b4;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 20px;
        box-sizing: border-box;
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
        transform: translateY(-100px);
    }

    .container .card:hover .face.face2 {
        transform: translateY(-30px);
    }

    .container .card .face.face2 .content p {
        margin: 0;
        padding: 0;
    }

    .container .card .face.face2 .content a {
        margin: 15px 0 0;
        display: inline-block;
        text-decoration: none;
        font-weight: 900;
        color: #333;
        padding: 5px;
        border: 1px solid #333;
    }

    .container .card .face.face2 .content a:hover {
        background: #333;
        color: #fff;
    }


    .container {
        width: 1000px;
        position: relative;
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        grid-gap: 10px 2em;
        transform: translateY(0px);
    }

    .container .card {
        position: relative;
        margin-right: 10px;
        margin-left: 10px;
    }

    .container .card .face {
        width: 250px;
        height: 210px;
        transition: 0.5s;
        border-radius: 8%;
    }

    .container .NAcard .face.face1 {
        position: relative;
        background: rgb(255, 255, 255);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 1;
        transform: translateY(0px);
        margin-top: 10%;
    }


    .container .NAcard .face.face1 .content {
        opacity: 0.6;
        transition: 0.5s;
    }

    .container .NAcard:hover .face.face1 .content {
        opacity: 1;
    }

    .container .NAcard .face.face1 .content img {
        max-width: 150px;
    }

    .container .NAcard .face.face1 .content h3 {
        margin: 0 0 0;
        padding: 0;
        color: black;
        text-align: center;
        font-size: 1.5em;
    }

    .container .NAcard .face.face2 {
        position: relative;
        background: #b4b4b4;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 20px;
        box-sizing: border-box;
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
        transform: translateY(-100px);
    }
    .container .NAcard .face.face2 .content p {
        margin: 0;
        padding: 0;
    }

    .container .NAcard .face.face2 .content a {
        margin: 15px 0 0;
        display: inline-block;
        text-decoration: none;
        font-weight: 900;
        color: #333;
        padding: 5px;
        border: 1px solid #333;
    }

    .container .NAcard .face.face2 .content a:hover {
        background: #333;
        color: #fff;
    }

    .container {
        width: 1000px;
        position: relative;
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        grid-gap: 10px 2em;
        transform: translateY(0px);
    }

    .container .NAcard {
        position: relative;
        margin-right: 10px;
        margin-left: 10px;
    }

    .container .NAcard .face {
        width: 250px;
        height: 210px;
        transition: 0.5s;
        border-radius: 8%;
    }

    @media screen and (max-width:767px) {
        #header
        {
            font-size: 80%;
            bottom: 0px;
            margin-bottom: 10em;
        }
        h1
        {
            padding-bottom: 1em;
        }
        #general
        {
            flex-direction: column;
        }
        .container
        {
            display: inline-flex;
            flex-direction: row;
            margin-bottom: 8em;
            max-width: 30vw;
            position: relative;
            bottom: 100px;
            justify-content: center;
            grid-template-columns: 1fr 1fr;
        }
        .card
        {
            width: 200px;
            height: 200px;
            margin-bottom: 5em;
        }
        #phantom
        {
            width: 20vw;
        }
    }