/* navigation bar */

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

li {
    float: left;
}

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

li a:hover:not(.active) {
    background-color: #111;
}

.active {
    background-color: #6d6d6d;
}

/* images */

.gif {
	transition: .3s ease;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.gif:hover {
    transform: scale(1.75);
}

/* */

.centrer_italique {
    display: block;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.corps_de_la_page {
    margin-left: 20%;
    margin-right: 20%;
    text-align: justify;
}