* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    flex-direction: column;
    margin: 0 auto;
    gap: 0.625rem;
    padding: 1.875rem 1.25rem;
    max-width: 420px;
}

h1 {
    color: #333;
    text-align: center;
}

input {
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
    font-size: 1rem;
    font-family: inherit;
}

select {
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
    font-size: 1rem;
    font-family: inherit;
}

button {
    font-size: 1rem;
    font-family: inherit;
    padding: 0.5rem 1rem;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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

.resultado {
    background-color: #fff;
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid #ccc;
    min-height: 2rem;
}