body{
    background-color: olivedrab;
}
.mére ul li{
margin-left: 2em;
display: inline;
margin: 3em;
}
.mére ul li span{
    font-size: 3em;
    margin-right: 8em;
    color: aqua;
    text-shadow: 0 0 8px;
    box-shadow: 10px 05px 05px red;
    border-radius: 1em;
}
.pra1{
    margin-top: 6em;
    margin-left: 3em;
}
.pra2{
    margin-top: 2em;
    margin-left: 3em;
}
span{
    font-size: 2em;
    margin-right: 8em;
    color: greenyellow;
    text-decoration: 0 0 8px orange;
    box-shadow: 10px 05px 05px red;
    border-radius: 1em;
}
a{
    text-decoration: none;
    color: black;
}
.a1{
    background: rgb(255, 252, 252);
    padding: 10px 18px;
    text-decoration: none;
    font-weight: bold;
    color: red;
    display: inline-block;
    margin: 30px 0;
    border-radius: 5px;
}