* {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

body {
    background-color: #f0f8ff;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    width: 90%;
    max-width: 400px;
    text-align: center;
}

h1 {
    margin-bottom: 10px;
    color: #4caf50;
}

h3 {
    margin-bottom: 20px;
    color: #007BFF;
}

p {
    text-align: justify;
    color: #707070;
    font-size: 14px;
    margin-bottom: 20px;
}

.input {
    margin-bottom: 15px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #4caf50;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #cccccc;
    border-radius: 20px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
}

input:focus {
    border-color: #007BFF;
}

button {
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 20px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}

button:hover {
    background-color: #0056b3;
}

#resultado {
    margin-top: 20px;
    color: #4caf50;
    font-weight: bold;
    font-size: 18px;
}