.container1 {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 70%;
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}
input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}
input[type="button"] {
    width: 100%;
    padding: 10px;
    background-color: #000000;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}
input[type="button"]:hover {
    background-color: #a7b300;
}

#resultado {
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 18px;
    background-color: #f9f9f9;
    text-align: center;
}