How to vertically align objects in CSS when working with CSS grids? [duplicate]

Answer 1

Good question - I managed to work around the issue with a wrapper, and using display: table

https://jsfiddle.net/8vjvnznk/

.wrapper {
  display: grid;
  grid-template-columns: 100px 100px 300px;
  grid-template-rows: 200px 200px;
  grid-gap: 10px;
  background-color: #fff;
  color: #444;
  align-content: space-evenly;
}

.workaround{
  border: 1px solid green;
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  display: table;
  
}
h1{
  font-size: 1em;
  border: 1px solid yellow;
  display: table-cell;
  vertical-align: middle;
}

#boxc{
 background: red;
}

.box {
  background-color: #444;
  color: #fff;
  border-radius: 5px;
  padding: 20px;
  font-size: 100%;
}

<div class="wrapper">
  <div class="box a">A</div>
  <div class="box b">B</div>
  <div class="box c" id="boxc">
    <div class="workaround">
      <h1>
        The heading in question!
      </h1>
    </div>
  </div>
  <div class="box d">D</div>
  <div class="box e">E</div>
  <div class="box f">F</div>
</div>

Answer 2

There is no need for a table, why you will mix grid with table ?

You can use align-items:center to achieve vertical centering.

If the grid cell is <h1> itself, you can use align-self:center to vertical center the content into <h1>