body {
    width: 100%;
    height: 100vh;
    display: grid;
    place-items: center;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f2f2f2;
}

.container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1 {
    text-align: center;
    color: #333;
    text-transform: uppercase;
    font-size: 1rem;
    padding-bottom:1rem ;
    letter-spacing: 0.01em;
}

form {
    display: flex;
    align-items: center;
}

.input__value {
    flex: 1;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.btn__submit {
    padding: 12px 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 0 4px 4px 0;
    font-size: 16px;
    cursor: pointer;
}

.btn__submit:hover {
    background-color: #0056b3;
}

.output__value {
    text-align: center;
    margin-top: 20px;
    font-size: 24px;
    color: royalblue;
    text-transform: capitalize;
}

.hidden__red{
    color: red;
    text-transform: capitalize;
    font-size: 1rem;
    font-weight: 400;
    
}