body {
    font-family: Arial, sans-serif;
    background-color: #eef1f5;
    text-align: center;
    padding: 20px;
}
#app {
    background: white;
    max-width: 700px;
    margin: auto;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px #ccc;
}
button {
    margin-top: 15px;
    padding: 10px 20px;
    font-size: 1em;
}
#consigne span {
    cursor: pointer;
    padding: 3px;
    border-radius: 5px;
}
#consigne span.selected {
    background-color: yellow;
}
textarea {
    width: 90%;
    margin-top: 10px;
}