购物车

html:

css:

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -moz-user-select: none;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    color: #3c3c3c;
}

a {
    text-decoration: none;
    color: #3c3c3c;
}

a:hover {
    text-decoration: underline;
    color: #f40;
}

.clearfix::after {
    content: "";
    clear: both;
    display: block;
    visibility: hidden;
    height: 0;
    font-size: 0;
}

.icon {
    background-image: url(imgs/icons.png);
    background-repeat: no-repeat;
}

.carts {
    width: 990px;
    margin: 10px auto;
    /* border: 1px solid #3c3c3c; */
}

.carts .top {
    height: 50px;
    line-height: 50px;
}

.selected, .carts .top .title {
    float: left;
    width: 120px;
    padding-left: 10px;
}

.selected {
    width: 85px;
    cursor: pointer;
}

.selected .checkbox {
    display: inline-block;
    width: 15px;
    height: 15px;
    line-height: 15px;
    background-position: 0 0;
    position: relative;
    top: 4px;
    cursor: pointer;
}

/* i选中的时候的类 修改背景图片的位置 */

.selected .checkbox.active {
    background-position: 0 -20px;
}

.carts .top .product {
    /* cacl() 计算函数 */
    width: calc(100% - 85px - 85px - (120px*3));
}

.carts .top .operate {
    width: 85px;
}

.carts .top .selected label {
    cursor: pointer;
}

.carts input[type='checkbox'] {
    display: none;
}

.shop-icon {
    background-position: -20px -105px;
    width: 16px;
    height: 16px;
    display: inline-block;
    /* visibility: hidden */
}

.carts .shop_box .shop {
    margin-bottom: 20px;
    /* border: 1px solid #3c3c3c; */
}

.carts .shop_box .shop-info {
    height: 40px;
    line-height: 40px;
}

.carts .shop_box .shop-info .selected {
    width: 40px;
}

.carts .shop_box .shop-info .shop-name .shop-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    background-position: -20px -105px;
}

.carts .shop_box .shop-info .shop-name span {
    margin-left: 15px;
}

.shop .shop-item .item {
    background-color: #fff;
    border: 1px solid #3c3c3c;
    padding: 20px 0;
}

.shop .shop-item .item>div {
    float: left;
    width: 120px;
    padding-left: 10px;
}

.shop .shop-item .item .selected {
    width: 30px;
}

.shop .shop-item .item .operator {
    width: 85px;
}

.shop .shop-item .item .product {
    width: calc(100% - 30px - 85px - (120px*3) - 150px);
}

.shop .shop-item .item .product .img {
    float: left;
}

.shop .shop-item .item .product .img img {
    width: 80px;
    height: 80px;
}

.shop .shop-item .item .product .info {
    /* float: right; */
    width: 260px;
    padding-left: 100px;
}

.shop .shop-item .item .product .info>div {
    margin-bottom: 5px;
}

.shop .shop-item .item .spec {
    color: #d3cece;
    width: 150px;
}

.shop .shop-item .item .count {
    font-size: 0;
    color: #444;
}

.shop .shop-item .item .count span {
    font-size: 12px;
    color: #444;
    text-align: center;
    /* float: left; */
    /* margin-right: 5px; */
    background-color: lightslategray;
    width: 20px;
    display: inline-block;
    line-height: 20px;
}

.shop .shop-item .item .count span:nth-child(2) {
    display: inline-block;
    width: 50px;
    background-color: transparent;
    position: relative;
    top: 1px;
}

.shop .shop-item .item .count span input {
    text-align: center;
    width: 50px;
}

.shop .shop-item .item .amount {
    color: red;
}

.shop_footer {
    height: 50px;
    background-color: lightslategray;
    padding: 20px;
}

.shop_footer .selected, .links {
    float: left;
}

.shop_footer .sum {
    float: right;
    position: relative;
    top: -20px;
}

.shop_footer .sum span {
    margin-right: 2px;
}

.shop_footer .sum span:last-child {
    background-color: #f40;
    width: 50px;
    /* height: 50px; */
    display: inline-block;
    text-align: center;
    line-height: 50px;

}

js: