body{
    background-color: aqua;
}

.container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-family: 'Montserrat', sans-serif;
}

input {
    margin: 1rem;
    padding: 0.5rem;
}

#check-btn {
    margin-bottom: 1rem;
    border: 1px solid black;
    border-radius: 1rem;
    padding: 0.4rem;
    width: 5%;
    font-family: 'Montserrat', sans-serif;
}

#output-div {
    margin: 0.3rem;
    font-size: x-large;
}