CSS - Vertical centered modal

by katalin_2003

HTML

<section>
  <div class="modal vertical-align center">
    <p class="vertical-align center">This is a vertically centered modal.
    <br>Pretty cool, eh?</p>
  </div>
</section>

CSS

.vertical-align {
  position: relative;
  top: 50%;
  	-webkit-transform: translateY(-50%);
  	-ms-transform: translateY(-50%);
  	transform: translateY(-50%);
}
.center {
  margin: 0 auto;
  text-align: center;
}
.modal {
  background-color: #fff;
  border: 5px solid #333;
  width: 450px;
  height: 300px;
}


/* ====================================
   Base styling
   ==================================== */

body {
  font-family: sans-serif;
}

h1, h2 {
  text-align: center;
}

section {
  display: block;
  background: #c6e3b6;
  margin: 0 auto 1em;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100%;
}