change border px and color - popupShippingEstimator

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;