.product_instructions {
    width: 100%;
    box-sizing: border-box;
    float: left;
    background-color: #444;
    text-align: center;
    display: flex;
    flex-direction: column;
    padding: 10px;
}

.product_image_container {
    margin: 0 auto;
    width: 100%;
    float: left;
    text-align: center;
    margin: 0 auto;
    padding: 20px;
}

    .product_image_container img {
        width: 80%;
        height: auto
    }

.product_image {
    text-align: center;
    display: inline-block;
    margin: 0 10px;
}

    .product_image a {
        font-size: 1.5rem;
        line-height: 3.0rem;
        text-decoration: none;
        color: #fff;
    }

        .product_image a:hover {
            color: #ccc;
        }

        .product_image a img {
            width: 250px;
            height: 400px;
            border: 0px;
        }

            .product_image a img:hover {
                width: 250px;
                height: 400px;
                border: 0px;
            }

.product p {
    margin: 8px auto 0 2px;
}

.introduce_text {
    display: inline-block;
    width: 780px;
    float: none;
    text-align: left;
    margin: 0px auto;
}

    .introduce_text a {
        font-size: 1.5rem;
        line-height: 3.0rem;
        color: #fff;
    }

.product_sell {
    width: 100%;
    float: left;
    text-align: center;
    vertical-align: middle;
    margin: 10px auto;
}

.sell_step {
    font-size: 1.5rem;
    line-height: 3.0rem;
    font-weight: 700;
    color: #fff;
    margin: 10px;
}

.sell_step0 {
    font-size: 1.5rem;
    line-height: 3.0rem;
    font-weight: 700;
    color: #000;
    margin: 10px;
}

.sell_step1 {
    font-size: 1.5rem;
    line-height: 3.0rem;
    font-weight: 700;
    color: #fff;
    margin: 10px;
}

.sell_step2 {
    font-size: 1.5rem;
    line-height: 3.0rem;
    font-weight: 700;
    color: #ccc;
    margin: 10px;
}

.sell_step3 {
    font-size: 1.5rem;
    line-height: 3.0rem;
    font-weight: 700;
    color: #666;
    margin: 10px;
}