<div class="flex-container space-between" style="width: 100%; justify-content: space-around;">
  <div class="side flex-col flex-container">
    <h1>Setting the items size with flex-basis</h1>
    
    <h2>basis in px</h2>
    <div class="flex-container">
      <div style="flex-basis: 150px">
        (1) flex-basis: 150px
      </div>
      <div>(2)</div>
      <div>(3)</div>
    </div>
    
    <h2>basis in %</h2>
    <div class="flex-container">
      <div style="flex-basis: 60%">
        (1) flex-basis: 60%
      </div>
      <div>(2)</div>
      <div>(3)</div>
    </div>
    
    <h2>basis set to auto + width: 150px</h2>
    <div class="flex-container">
      <div style="flex-basis: auto; width: 150px">
        (1) flex-basis: auto + width: 150px
      </div>
      <div>(2)</div>
      <div>(3)</div>
    </div>
  </div>
</div>
.flex-container {
  display: flex;
  margin-bottom: 15px;
}

/* General styles */

small {
  font-style: italic;
  display: block;
  font-size: .75em;
  color: gray;
}

.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.side {
  min-width: 250px;
}

.side + .side {
  margin-left: 15px;
}

.side .flex-container {
  background-color: lightblue;
  border: 2px solid #000;
}

.side .flex-container div {
  background-color: lightgreen;
  padding: 10px;
  text-align:center;
  border: 2px solid lightblue;
}

h1, h2 {
  margin-top: 0;
}

External CSS

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External JavaScript

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