body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #c6f1c6;
    color: #1f451f;
    margin: 0;
    padding: 0;
}

#else {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.back {
    background: #ffffffcc;
    border: 2px solid #7ac97a;
    border-radius: 12px;
    padding: 12px 25px;
    font-size: 22px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.15s ease;
    box-shadow: 0 4px 12px #00000033;
}

.back:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px #00000044;
}

h1 {
    margin-top: 30px;
    font-size: 3em;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

h2 {
    font-size: 2em;
    margin-bottom: 15px;
}

#Start,
#Question,
#Fin {
    background-color: rgba(255, 255, 255, 0.85);
    padding: 30px 50px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    text-align: center;
    max-width: 700px;
    margin: 20px;
}

p {
    font-size: 1.2em;
    margin: 10px 0;
}

button {
    font-size: 18px;
    padding: 12px 25px;
    margin: 8px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.1s ease, box-shadow 0.2s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

#RéponseA { background-color: #27ae60; color: #fff; }
#RéponseB { background-color: #2ecc71; color: #fff; }
#RéponseC { background-color: #95a5a6; color: #fff; }
#RéponseD { background-color: #e74c3c; color: #fff; }
#RéponseE { background-color: #c0392b; color: #fff; }

#Resultats p {
    margin: 5px 0;
    font-size: 1.2em;
}

.prn {
    font-size: 1.5em;
    font-weight: bold;
    color: #27ae60;
}