CSS - 一个div设置多个背景图

.index-product-main {
    box-shadow: #abc6fb 0 0 18px inset;/*内部阴影*/
    padding: 20px;
    border: 1px solid #abc6fb;
    border-radius: 3px;
    background-image:url("../img/index/product/left-top.png"),url("../img/index/product/right-top.png"),url("../img/index/product/left-bottom.png"),url("../img/index/product/right-bottom.png");
    background-repeat: no-repeat, no-repeat, no-repeat, no-repeat;
    background-position: left top, right top, left bottom, right bottom;
}

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