.titre {
    background-color: gray;
    border-radius: 30px;
}
body {
    background-color:#453e3d;
    color: white;
    font-size: 30px;
}
button {
    border-radius: 20px;
}
input {
    border-radius: 10px;
}
.madeby {
    background-color: lightslategray;
    border-radius: 10px;
    display: flex;
    justify-content: center;
}