.input
{
    display: block;
    width: 400px;
    padding-right: 1rem;
    padding-left: 1rem;
    border-radius: 0.25rem;
    border:1px solid;
    border-color:inherit;
    background-color: #fff;
}

.small
{
    height: 2rem;
    font-size: 0.875rem;
}

.medium
{
    height: 2.5rem;
    font-size: 1rem;
}

.large{
    height: 3rem;
    font-size: 1.25rem;
}