body {
    background-color: black;
    color: white;
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 20px;
}

.main_title {
    display: flex;
    justify-content: center;
    font-size: 50px;
    font-weight: bold;
    margin-top: 20px;
}

.catch_phrase {
    display: flex;
    justify-content: center;
    font-size: 20px;
    color: #888;
    margin-bottom: 30px;
}

/* Formulaire d'ajout */
.add_box {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
}

.add_box input {
    padding: 15px;
    border-radius: 15px 0 0 15px;
    border: 2px solid yellow;
    background: #111;
    color: white;
    font-size: 18px;
    outline: none;
}

.add_box button {
    padding: 15px 25px;
    border-radius: 0 15px 15px 0;
    border: 2px solid yellow;
    background: yellow;
    color: black;
    font-weight: bold;
    cursor: pointer;
    font-size: 18px;
}

/* La Liste */
.main_list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 0 auto;
    border: 2px solid yellow;
    border-radius: 50px;
    overflow: hidden;
}

.main_list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid #222;
    font-size: 30px;
}

.nb1 {
    color: yellow;
    font-weight: bold;
    font-size: 40px;
}