/*----------------------------------------------------------
title:        color stylesheet
template:    00154-2
version:      1.0
created:    july 2009
----------------------------------------------------------*/

body {
    background: #88BBF0;
    }
    
#footer {
    background: #88BBF0;
    }

h2, .page-title {
    color: #376CA2;
    }

#productGrid h2 {
    color: #376CA2;
    }

#productGrid h2 a {
    color: #376CA2;
    }

#productGrid h2 a:hover {
    color: #376CA2;
    }

#productDetail .hdr-title {
    background-color: #376CA2;
    color: #fff;
    }

#checkoutOnePage #existingCustomer .hdr-title{
    background-color: #376CA2;
    color: #fff;
    }

#checkoutOnePage #newCustomer .hdr-title{
    background-color: #376CA2;
    color: #fff;
    }

#checkoutConfirm .hdr-title {
    background-color: #376CA2;
    color: #fff;
    }

#clientAccount .hdr-title {
    background-color: #376CA2;
    color: #fff;
    }

#existingCustomer .hdr-title, #newCustomer .hdr-title ,#createCustomer .hdr-title , #passwordRemindCustomer .hdr-title {
    background-color: #376CA2;
    color: #fff;
    }

#viewCart #cartItems thead tr th {
    background-color: #376CA2;
    color: #fff;
    }

#clientAccount #orderList thead th, #clientAccount #subscriptionOrderList thead th {
    background-color: #376CA2;
    color: #fff;
    }

#productDetail #extraDetails {
    color: #376CA2;
    }

#categoryList .title a {
    color: #376CA2;
    }

#productList .title a {
    color: #376CA2;
    }

#checkoutOnePage #cartItems thead tr th {
    background-color: #376CA2;
    }

#vendorAccount #productList thead tr th {
    background-color: #376CA2;
    }

#vendorAccount .hdr-title {
    background-color: #376CA2;
    }

#categoryGrid .title a {
    color: #376CA2;
    }

 /* NEW ONE PAGE CHECKOUT
---------------------------------------------*/
#one-page-checkout {
    clear: both;
    margin-top: 15px;
    width: 960px;
    font-family: Arial;
    font-size: 14px;
}
#one-page-checkout .field {
    margin-top: 10px;
}
#one-page-checkout .field input {
    margin-top: 10px;
    width: 96%;
    height: 21px;
}
#one-page-checkout .field select {
    margin-top: 10px;
    padding: 5px;
    width: 99%;
    height: 27px;
}
#one-page-checkout .multiselect select{
    height: 95px;
}
#one-page-checkout .checkbox input {
    width: 3%;
    margin: 0 6px 0 0;
    padding: 0;
}
#one-page-checkout .radio input {
    position: relative;
    top: 5px;
    width: 3%;
    margin: 0 6px 0 0;
    padding: 0;
}
#one-page-checkout .radio-large input {
    width: 7%;
    margin: 0 6px 0 0;
    padding: 0;
}
#one-page-checkout .checkbox input {
    position: relative;
    top: 5px;
    width: 3%;
    margin: 0 6px 0 0;
    padding: 0;
}
#one-page-checkout label {
    font-size: 12px;
}
#one-page-checkout .large-label label {
    position: relative;
    top: -5px;
    font-size: 14px;
}
#one-page-checkout .cvn input {
    width: 20%;
}
#one-page-checkout .add {
    margin-top: 15px;
    width: 85%;
    padding: 12px;
    color: #0072bc;
    border: 1px solid #fff799;
    background: #fffde4;
}
#one-page-checkout .add a {
    color: #0072bc;
    text-decoration: none;
}
#one-page-checkout .add a:hover {
    text-decoration: underline;
}
#one-page-checkout .coupon input {
    float: left;
}
#one-page-checkout .coupon .apply {
    float: left;
    margin: 10px 0 0 5px;
}
#one-page-checkout .shipping-select {
    margin: 0;
}
#one-page-checkout textarea {
    width: 100%;
    height: 125px;
}
#one-page-checkout .terms {
    margin-top: 20px;
}
#one-page-checkout .terms label {
    font-size: 14px;
}
#one-page-checkout .terms .box {
    padding: 10px;
    width: 435px;;
    height: 100%;
    border: 2px solid #bfbfbf;
}
#one-page-checkout .terms .box p {
    line-height: 1.40;
}
#one-page-checkout .terms .radio {
    text-align: center;
}
#one-page-checkout .totals {
    margin-top: 50px;
    text-align: right;
    line-height: 1.40;
    color: #242424;
}

#content-middle #totalsInfo ul li {list-style: none;}

#one-page-checkout .totals .title {
    float: left;
    clear: both;
    font-size: 14px;
    font-weight: bold;

width: 220px;

}
#one-page-checkout .totals .grand {
    font-size: 24px;
    font-weight: bold;
}
#one-page-checkout #submit {
    margin-top: 15px;
}
#one-page-checkout #location {
    text-align: center;
}
#one-page-checkout #billing-address {

}
#one-page-checkout #shipping-address {

}
#one-page-checkout #payment-method {
    margin-top: 38px;
}
#one-page-checkout #shipping-method {
    margin-top: 38px;
}
#one-page-checkout #shipping-method {
    margin-top: 15px;
}
#one-page-checkout #shipping-method .shipping-price {
    font-size: 24px;
    font-weight: bold;
    color: #242424;
}
#one-page-checkout #review {
    margin-top: 38px;
    margin-bottom: 20px;
}
#one-page-checkout #review-table {
    margin-top: 15px;
    border: 3px solid #bfbfbf;
    border-collapse: collapse;
}
#one-page-checkout #review-table thead {
    width: 100%;
    border-bottom: 1px dotted #bababa;
}
#one-page-checkout #review-table tr {
    /*width: 100%;*/
}
#one-page-checkout #review-table thead tr th {
    padding: 10px;
    font-size: 12px;
    font-weight: normal;
    text-transform: uppercase;
    text-align: left;
    color: #969696;
}
#one-page-checkout #review-table tbody {
    color: #111111;
}
#one-page-checkout #review-table tbody td {
    padding: 10px;
    font-weight: bold;
    font-size: 14px;
    vertical-align: middle;
    width: 25%;
}
#one-page-checkout #review-table .cart-error {
    background: #F4ABAB;
}
#one-page-checkout #review-table .cart-warning {
    background: #FFFDE4;
}
#one-page-checkout .product {
    font-weight: normal !important;
}
#one-page-checkout .heading {
    padding-top: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid #bfbfbf;
}
#one-page-checkout .heading .number-blue {
    margin-right: 10px;
    padding: 1px 4px;
    font-size: 10px;
    font-weight: bold;
    color: #fff;
    background: #006aaf;
}
#one-page-checkout .heading .number-grey {
    margin-right: 10px;
    padding: 1px 4px;
    font-size: 10px;
    font-weight: bold;
    color: #fff;
    background: #959595;
}
#one-page-checkout .heading .title {
    position: relative;
    top: 1px;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}
#one-page-checkout .blurb {
    margin-top: 10px;
    padding: 10px;
    font-size: 14px;
    line-height: 1.40;
    color: #6F6F6F;
    background: #EFEFEF;
    border: 1px solid #dfdfdf;
}
#one-page-checkout .blurb p {
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.40;
}
#one-page-checkout .edit-cart {
    float: right;
    margin-top: 10px;
    font-size: 14px;
}
#one-page-checkout .edit-cart a {
    color: #006AAF;
}
#one-page-checkout .edit-cart a:hover {
    text-decoration: none;
}
#one-page-checkout .onepage-error {
    margin: 6px 0 6px 0;
    font-size: 14px;
    font-weight: bold;
    color: #D30000;
}
#one-page-checkout .option-string {
    margin-top: 7px;
    margin-bottom: 10px;
    font-size: 12px;
}
#one-page-checkout .thumb {
    padding-top: 0 !important;
}
#one-page-checkout .thumb img {
    position: relative;
    top: 30px;
    margin-bottom: 18px;
}
#one-page-checkout .subtotal img {
    margin-left: 10px;
    position: relative;
    top: 13px;
}
#one-page-checkout .forgot-password {
    margin-top: 10px;
    font-size: 12px;
}
#one-page-checkout .forgot-password a {
    color: #006AAF;
}
#one-page-checkout .forgot-password a:hover {
    text-decoration: none;
    color: #004E7F;
}
#one-page-checkout .login-btn {
    margin-top: 15px;
}
#one-page-checkout .create-btn {
    margin-top: 15px;
}
#one-page-checkout #login-types {
    margin: 20px 0 0 0;
    padding: 0 0 4px 0 !important;
}
#one-page-checkout #login-types li {
    margin: 0 3px 0 0 !important;
    padding: 6px 10px 6px 10px !important;
    display: inline;
    list-style: none !important;
    background: #e0e0e0;
    -webkit-border-top-left-radius: 5px;
    -webkit-border-top-right-radius: 5px;
    -moz-border-radius-topleft: 5px;
    -moz-border-radius-topright: 5px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
}
#one-page-checkout #login-types li a {
    font-size: 12px;
    text-decoration: none;
    color: #000;
}
#one-page-checkout #login-types li.active {
    color: #fff;
    border-top: 1px solid #000;
    border-left: 1px solid #000;
    border-right: 1px solid #000;
    background: #191919;
    cursor: default;
}
#one-page-checkout #login-types li.active a {
    text-decoration: none;
    color: #fff;
}
#one-page-checkout #login-types li.inactive {
    border-top: 1px solid #ccc;
    border-left: 1px solid #ccc;
    border-right: 1px solid #ccc;
}
#one-page-checkout #login-types li.inactive:hover {
    cursor: pointer;
    color: #fff;
    background: #d7d7d7;
}
#one-page-checkout .login-sentence {
    margin: 20px 0 20px 10px;
    font-size: 14px;
}
#one-page-checkout .shipping-instructions input {
    width: 20px !important;
    position: relative;
    top: 5px;
}
#one-page-checkout .subscription-terms input {
    width: 20px !important;
    position: relative;
    top: 5px;
}
#one-page-checkout .required:after {
    content: "*";
    color: red;
}
#one-page-checkout .apply input {
    clear: both;
}
#one-page-checkout #submit input {
    width: auto !important;
}
#one-page-checkout .calculate input {
    width: auto !important;
    height: auto !important;
}
#one-page-checkout .shipping-select input {
    width: 13% !important;
    position: relative;
    top: 5px;
}
#one-page-checkout input.paymentOptsTextInput {
    width: 230px;
}
#one-page-checkout input.giftCertContinueBtn {
    width: auto;
    height: auto;
}

#totalsInfo ul {
    padding-left: 0px !important;
    list-style: none !important;
}
#totalsInfo ul li {
    list-style: none !important;
}
#one-page-checkout .apply input {
    height: auto !important;
}
#one-page-checkout #submit input {
    height: auto !important;
}

 

If your theme already has this code but the sections are going off the right side of the page, try adding this additional CSS:

 
#one-page-checkout {margin-left: 0 !important;}
#one-page-checkout .heading {margin-left: 0 !important;}