5 items per row, auto-resize items in flexbox

I have this at the moment:

.container {
  background: gray;
  width: 600px;
  display: flex;
  flex-flow: row wrap;
  position: relative;
}
.item {
  background: blue;
  width: auto;
  height: auto;
  margin: 4px;
  flex: 1;
  flex-basis: 20%;
}

<div class="container">
  <div class="item">A</div>
  <div class="item">B</div>
  <div class="item">C</div>
  <div class="item">D</div>
  <div class="item">E</div>
  <div class="item">F</div>
  <div class="item">G</div>
</div>

What I'm trying to do is have 5 items per row in a flexbox. Currently they don't appear because they don't have a set width/height, which leads me to my next question. Is it possible to auto-resize the items in order for 5 of them to fit per row?

How would I do this?

Thanks!

You are right in giving a flex-basis: 20% but you have to adjust for the 4px margin on each flex item for it to wrap properly.

Equal Width Flex items in the last row

Use flex: 0 1 calc(20% - 8px) - this means the item won't grow beyond 20% of width (adjusting for margin) and can shrink based on the container width. See demo below:

.container {
  background: gray;
  width: 600px;
  height: 200px; /* height given for illustration */
  display: flex;
  flex-flow: row wrap;
  position: relative;
}

.item {
  background: blue;
  margin: 4px;
  flex: 0 1 calc(20% - 8px); /* <-- adjusting for margin */
}

<div class="container">
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>

Another approach is a bit hacky - you can keep flex-grow set to one and flex-basis: calc(20% - 4px) using flex: 1 1 calc(20% - 4px), and use a pseudo element that fills the remaining space:

.container {
  background: gray;
  width: 600px;
  height: 200px; /* height given for illustration */
  display: flex;
  flex-flow: row wrap;
  position: relative;
}

.item {
  background: blue;
  margin: 4px;
  flex: 1 1 calc(20% - 8px); /* <-- adjusting for margin */
}

.container:after {
  content: '';
  display: block;
  flex: 999; /* grow by a large number */
}

<div class="container">
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>

If you don't have the n item per row requirement then you can refer this:

Unordered list that acts like grid-auto-flow dense

Flex items in last row expands to fill the available space

If in a row you have less than 5 items and you want them to fill in the remaining space use flex: 1 1 calc(20% - 8px) (note that flex-grow is set to 1 here so that the flex items in the last rows expand to fill the remaining space):

.container {
  background: gray;
  width: 600px;
  height: 200px;  /* height given for illustration */
  display: flex;
  flex-flow: row wrap;
  position: relative;
}

.item {
  background: blue;
  margin: 4px;
  flex: 1 1 calc(20% - 8px);  /* <-- adjusting for margin */
}

<div class="container">
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>

try below css for five items in each row.

.container {
  background: gray none repeat scroll 0 0;
  display: flex;
  flex-flow: row wrap;
  position: relative;
  width: auto;
}

.item {
  background: blue none repeat scroll 0 0;
  flex: 1 1 18%;
  height: auto;
  margin: 4px;
  padding: 20px 0;
  width: auto;
}

<div class="container">
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>

5 items per row, auto-resize items in flexbox

Equal Width Flex items in the last row

Flex items in last row expands to fill the available space

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