change border px and color - popupShippingEstimator

[dmagic]

how remove the border or change to small ?

and how change the color from green to something else

here the code :

#popupShippingEstimator, #popupSearchHelp, #popupAdditionalImage, #popupImage, #popupCVVHelp, #popupCouponHelp, #popupAtrribsQuantityPricesHelp, #infoShoppingCart {
    background-color: #ffffff;
    }
.information {padding: 10px 3px; line-height: 150%;}

#shoppingcartBody #shippingEstimatorContent {
    clear: both;
    }

.seDisplayedAddressLabel {
    background-color:#e0e0e0;
    text-align: center;
    }
.seDisplayedAddressInfo {
    text-transform: uppercase;
    text-align: center;
    font-weight: bold;
    }
#seShipTo {
    padding: 0.2em;
    }
#productQuantityDiscounts {
    padding: 12px 0;