.goods_item{
    width: calc(100% - 40px);
    margin: 0 auto;
    display: block;
    padding-top: 40px;
}
.goods_ttl{
    text-align: center;
    font-size: 14px;
    margin: 16px;
}
.back_btn{
    background-color: black;
    color: white;
    text-align: center;
    padding: 8px 15px;
    display: block;
    border-radius: 9999px;
    width: 200px;
    margin: 0 auto 40px;
}