top and bottom center border in div code example

Example 1: css align text vertically

/* HTML: */
<div class="text">
lorem ipsum
</div>


/* CSS: */
.text {
vertical-align: middle;
/*can take any value of:
baseline | sub | super | text-top | text-bottom | middle | top | bottom | <percentage> | <length> */
}

Example 2: css center vertically

<style>
.container {
  height: 200px;
  position: relative;
  border: 3px solid green;
}

.center {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
</style>

<div class="container">
  <div class="center">
    <p>I am vertically and horizontally centered.</p>
  </div>
</div>