body {
    font-family: "Roboto", sans-serif;
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    max-width: 400px;
    width: 100%;
    margin: 20px;
    padding: 20px;
    box-sizing: border-box;
}

.heading {
    text-align: center;
    color: #333333;
    font-weight: 700;
}

hr {
    border: 0;
    border-top: 1px solid #eeeeee;
    margin: 20px 0;
}

.input-section {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #333333;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #cccccc;
    border-radius: 4px;
    margin-bottom: 10px;
}

button {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.results {
    margin-top: 20px;
}

.results h3 {
    margin-bottom: 15px;
    color: #333333;
    text-align: center;
}

#output-number {
    color: #007bff;
    font-weight: 700;
}