.btn
{
    height: 100px;
    width: 100px;
    border-radius:50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    right: 20px;
    bottom: 20px;
}

img
{
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    height: auto;
    border : thick double #cb8fe0;
}

body
{
    background-color: rgb(210, 207, 207);
}

h1
{
    text-align:center;
    border : thick double #cb8fe0;
    font-size:315%;
}

h2
{
    font-size:215%;
}

p
{
    font-size:115%;
    text-emphasis:initial;
}

.icone 
{
    width: 50px;
    cursor:pointer;
}

.conteneur
{
    display: flex;
    justify-content:space-around;
}

.conteneur > img
{
    width:30%;
    height: auto;
}

ul
{
    list-style-type: disc;
    color: grey;
    font-size: 105%;
    display: flex;
    justify-content: space-around;
    border : thick double #cb8fe0;
}

a:hover
{
    color: #cb8fe0;
}

a
{
    color: grey;
}

a:visited
{
    color :rgb(235, 34, 101);
}