.product-container {
    display: flex;
}

/* Columns */
.left-column {
    width: 50%;
    position: relative;
    padding: 40px
}

.right-column {
    width: 50%;
    margin-top: 60px;
    padding: 40px
}


.product-preview-image img.active {
    display: block;
}

.product-preview-image {
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.product-preview-image img {
    width: 350px;
    display: none;
    transition: all 0.3s ease;
}

/* Right Column */

/* Product Description */
.product-description {
    border-bottom: 1px solid #E1E8EE;
    margin-bottom: 20px;
}

.product-description span {
    font-size: 12px;
    color: #358ED7;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
}

.product-description h1 {
    font-weight: 300;
    font-size: 52px;
    color: #43484D;
    letter-spacing: -2px;
}

.product-description p {
    font-size: 16px;
    font-weight: 300;
    color: #86939E;
    line-height: 24px;
}

/* Product Configuration */
.configuration-radio-group-container span,
.cable-config span {
    font-size: 14px;
    font-weight: 400;
    color: #86939E;
    margin-bottom: 20px;
    display: inline-block;
}

/* Product Color */
.configuration-radio-group-container {
    margin-bottom: 30px;
}

.configuration-radio-group div {
    display: inline-block;
}

.configuration-radio-group input[type="radio"] {
    display: none;
}

.configuration-radio-group input[type="radio"]+label span {
    display: inline-block;
    width: 40px;
    height: 40px;
    margin: -1px 4px 0 0;
    vertical-align: middle;
    cursor: pointer;
    border-radius: 50%;
}

.configuration-radio-group input[type="radio"]+label span {
    border: 2px solid #FFFFFF;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.33);
}

.material-none {
    background-image: url(../images/icons/material_none.webp);
    background-repeat: no-repeat;
    background-position: center;
}

.material-nickel {
    background-image: url(../images/icons/material_nickel.webp);
    background-repeat: no-repeat;
    background-position: center;
}

.material-copper {
    background-image: url(../images/icons/material_copper.webp);
    background-repeat: no-repeat;
    background-position: center;
}

.material-gold {
    background-image: url(../images/icons/material_gold.webp);
    background-repeat: no-repeat;
    background-position: center;
}

.chain-gold {
    background-image: url(../images/icons/chain_gold.webp);
    background-repeat: no-repeat;
    background-position: center;
}

.chain-stainless {
    background-image: url(../images/icons/chain_stainless.webp);
    background-repeat: no-repeat;
    background-position: center;
}

.chain-leather {
    background-image: url(../images/icons/chain_leather.webp);
    background-repeat: no-repeat;
    background-position: center;
}

.chain-black-leather {
    background-image: url(../images/icons/chain_black_leather.webp);
    background-repeat: no-repeat;
    background-position: center;
}

.configuration-radio-group input[type="radio"]:checked+label span {
    border: 2px dotted;
}

/* Cable Configuration */
.cable-choose {
    margin-bottom: 20px;
}

.cable-choose button {
    border: 2px solid #E1E8EE;
    border-radius: 6px;
    padding: 13px 20px;
    font-size: 14px;
    color: #5E6977;
    background-color: #fff;
    cursor: pointer;
    transition: all .5s;
}

.cable-choose button:hover,
.cable-choose button:focus {
    border: 2px solid #86939E;
    outline: none;
}

.cable-config {
    border-bottom: 1px solid #E1E8EE;
    margin-bottom: 20px;
}

.order-summary {
    width: 50%;
    display: flex;
    flex-direction: column;
    font-family: Arial, Helvetica, sans-serif;
    float: left;
}

.paypal-button-container {
    display: flex;
    width: 50%;
    float: right;
}

.order-summary ul {
    padding-left: 12px;
    margin-bottom: 25px;
}

.order-summary hr {
    background-color: white;
    margin: 0 0 45px 0;
    max-width: 600px;
    border-width: 0;
    height: 1px;
    border-top: 1px solid black;
    border-bottom: 1px solid black;
}

.product-price {
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 15px;
}

.product-price span {
    font-size: 26px;
    font-weight: 300;
    color: #43474D;
    margin-right: 20px;
}

.cart-btn {
    display: inline-block;
    background-color: #7DC855;
    border-radius: 6px;
    font-size: 16px;
    color: #FFFFFF;
    text-decoration: none;
    padding: 12px 30px;
    transition: all .5s;
}

.cart-btn:hover {
    background-color: #64af3d;
}

.product {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 25px;
}

.product img {
    width: 200px;
    cursor: pointer;
}

.product .description {
    width: 500px;
    margin-left: 20px;
}

/* Responsive */
@media (max-width: 940px) {
    .container {
        flex-direction: column;
        margin-top: 60px;
    }

    .left-column,
    .right-column {
        width: 100%;
    }

    .left-column img {
        width: 300px;
        right: 0;
        top: -65px;
        left: initial;
    }
}

@media (max-width: 535px) {
    .left-column img {
        width: 220px;
        top: -85px;
    }
}