Add dividing line between flex items with equal space distribution

Question

I’m using this solution on a project I’m working on.

It sets justify-content: space-between; on the flex container and flex: 1 1 auto; on the children with a left border on all childrens except first.

I modified your example CSS so you can have a look. I wasn’t sure if you were going to have background color on the children so I just used line-height to get larger borders.

html {
    box-sizing: border-box;
}

.Container {
    max-width: 70%;
    margin-right: auto;
    margin-left: auto;
    background: blue;
    padding-top: 20px;
    padding-bottom: 20px;
}

.Flex {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    list-style: none;
    margin: 0;
    padding: 0;
}

.Flex-item {
    flex: 1 1 auto;
    background: red;
    position: relative;
    text-align: center;
    line-height: 40px;
}

.Flex-item + .Flex-item {
    border-left: solid 1px white;
}

/** Optional for OPs exact layout */

.Flex-item:first-child {
    text-align: left;
}

.Flex-item:last-child {
    text-align: right;
}

<div class="Container">
    <ul class="Flex">
        <li class="Flex-item">Lorem</li>
        <li class="Flex-item">consectetur</li>
        <li class="Flex-item">vestibulum</li>
        <li class="Flex-item">nec</li>
        <li class="Flex-item">condimentum</li>
    </ul>
</div>

No modification to HTML.

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