body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f5f5f5;
    margin: 0;
}

.cartao {
    text-align: center;
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.mensagem {
    font-size: 36px;
    color: #2d8b6e;
    margin-bottom: 20px;
}

.tree {
    position: relative;
    margin: 20px 0;
}

.folhas {
    width: 0;
    height: 0;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-bottom: 60px solid #2d8b6e;
    margin-bottom: -10px;
}

.estrela {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 20px solid yellow;
    position: absolute;
    top: -30px;
    left: 20px;
}

button {
    background-color: #ff6f61;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
}

button:hover {
    background-color: #ff5a4d;
}

.surpresa {
    margin-top: 20px;
    font-size: 24px;
    color: #2d8b6e;
    display: none;
}