*, ::before, ::after  {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: #333;
    font-family: Arial, Helvetica, sans-serif;
}

h1 {

    font-size: 70px;
    color: #f1f1f1;
    text-align: center;
    margin: 50px 0 40px 0;

}

form, .affichage {

    margin: 0 auto;
    width: 50%;
    max-width: 800px;
    min-width: 400px;

}

input {

    display: block;
    width: 100%;
    margin: 0 auto;
    padding: 15px;
    font-size: 20px;

}

.affichage {

    display: flex;
    justify-content: center;
    align-items: center;

}

.carte {

    position: relative;
    width: 500px;
    margin-top: 100px;
    padding-bottom: 15px;
    border-radius: 5px;
    background: #f1f1f1;

}

.avatar {

    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: #000;
    border: 1px solid #000;

}

h2 {

    margin-top: 100px;
    text-align: center;
    font-size: 25px;

}

.cont-infos {

    border-top: 1px dashed #000;
    margin-top: 20px;
    list-style-type: none;

}

li {

    padding: 10px 20px;
    text-align: justify;
    font-size: 22px;

}

li:nth-child(1) {

    margin-top: 15px;

}