Equal Height Columns

Equal Height Columns:

Make the columns match the height of the tallest column.

CSS:

.col-container {
  display: table;
  width: 100%;
}
.col {
  display: table-cell;
  padding: 16px;
}


HTML:

<div class="col-container">
  <div class="col" style="background:orange">
    <h2>Column 1</h2>
    <p>Hello World</p>
  </div>

  <div class="col" style="background:yellow">
    <h2>Column 2</h2>
    <p>Hello World!</p>
    <p>Hello World!</p>
    <p>Hello World!</p>
    <p>Hello World!</p>
  </div>

  <div class="col" style="background:orange">
    <h2>Column 3</h2>
    <p>Some other text..</p>
    <p>Some other text..</p>
  </div>
</div>

Equal Height and Width using Flexbox:

CSS:

.col-container {
  display: flex;
  width: 100%;
}
.col {
  flex: 1;
  padding: 16px;
}

HTML:

<div class="col-container">
  <div class="col" style="background:orange">
    <h2>Column 1</h2>
    <p>Hello World</p>
  </div>

  <div class="col" style="background:yellow">
    <h2>Column 2</h2>
    <p>Hello World!</p>
    <p>Hello World!</p>
    <p>Hello World!</p>
    <p>Hello World!</p>
  </div>

  <div class="col" style="background:orange">
    <h2>Column 3</h2>
    <p>Some other text..</p>
    <p>Some other text..</p>
  </div>
</div>