body {
    margin: 0;
    padding: 0;
}


nav ul {
    text-align: center;
    z-index: 1;
    position: relative;
    top: 0;


}

nav ul li {
    display: inline-block;
    margin: 20px;

}

nav ul li a {
    color: black;
    padding: 15px;
    color: white;

    font-size: 25px;
}

nav ul li :hover {
    background-color: rgba(255, 255, 255, 0.877);
    color: rgb(8, 80, 20);
    border-radius: 25px;

}


.titre
{
text-align: center;
color: rgb(0, 0, 0);
margin-top: 100px;
font-size: 300%;
}


.lien
{
    text-align: center;
    color: rgb(0, 0, 0);
    font-size: 150%;
}


a{
text-decoration: none;
color: black;
}
.rectangle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background-color: #0d3305cb;
}



footer {
    margin-top: 20%;
    width: 100%;
    background-color: #0d3305;
    padding-top: 2%;
    padding-bottom: 2%;
}

footer a {
    color: white;
    margin-left: 15px;
    height: 15px;
}