Center Vertically No Fixed Width

index.html

    <div class="v-center">
      <div class="inner">
        Centered Horizontally and Vertically
        <img src="https://placeholdit.imgix.net/~text?txtsize=33&txt=120%C3%9770&w=120&h=70">
      </div>
    </div>

script.css

.v-center {
  padding-top: 30px;
  padding-bottom: 30px;
  background-color: green;
  text-align: center;
}

img {
  vertical-align: middle;
}