CSS:flex布局最后一行列表左对齐的方法

<div class="container">
    <div class="list"></div>
    <div class="list"></div>
    <div class="list"></div>
    <div class="list"></div>
    <div class="list"></div>
    <div class="list"></div>
    <div class="list"></div>
    <i></i><i></i><i></i><i></i><i></i>
</div>

.container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-right: -10px;
}
.list {
    width: 100px; height:100px;
    background-color: skyblue;
    margin: 15px 10px 0 0;
}
/* 和列表一样的宽度和margin值 */
.container > i {
    width: 100px;
    margin-right: 10px;
}