#loginpin {
    min-height: 40px;
    text-align: center;
    margin: 10px 0
}

.pinlogin-field {
    width: 50px;
    height: 50px;
    font-size: 24px;
    text-align: center;
    margin: 0 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    outline: none
}

.pinlogin-field:focus {
    border-color: #3c8dbc;
    box-shadow: 0 0 3px rgba(60, 141, 188, .5)
}

.pinlogin-field:disabled {
    background: #eee;
    opacity: .7
}