styles.css

* {
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    margin: 0;
}
body {
    background-color: #dee1df;
    text-align: center;
    border-top:solid 20px rgb(255, 255, 255);
    border-bottom: solid 20px rgb(255, 255, 255);
    border-left: solid 5px rgb(255, 255, 255);
    border-right: solid 5px rgb(255, 255, 255);
}
header {
    padding: 1rem;
}
h1 {
    margin-top:10px ;
}
.hdp {
    margin-top: 20px;
    margin-bottom:0px;
}
main {
    margin: 0%;
}
figure {
    background-color: white;
    margin:0px 20px 0px 20px;
}
figcaption {
    font-size: 0.8rem;
    padding: 0.5rem;
    background-color: white;
}
.Intro {
    margin-top: 40px;
}
div
{ /* boite nous permettant de styliser la liste */
    display: flex;
    justify-content: center;
    align-items: center;
    margin:30px 300px 0px 300px;
}
ul {
    margin: 0;
    padding: 0;
    text-align: justify;
}
li {
    margin: 15px;
}
footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 30px 300px 0px 300px;
    padding: 1rem;
}

.conclusion { /*ceci est le style du dernier paragraphe */
    margin: 20px;
    font-size: 0.7rem;
    font-weight: bold;
    text-align: justify;
    margin-bottom: 0px;
}