.qty-error-message {
    color: #e02b27;
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

.input-text.qty.mage-error,
input.qty.mage-error {
    border-color: #e02b27 !important;
}

.control.qty .qty-error-message {
    width: 100%;
}

.table.grouped .qty-error-message {
    white-space: normal;
    max-width: 150px;
}

.cart .qty-error-message {
    position: relative;
    margin-top: 3px;
}