[kostyle] margins dependence by height (default by width)

gistfile1.txt

<div class="mb-0 h-100 top">
  <div class="middle">
    <div class="inner"></div>
  </div>
</div>

.overwidget {
  background: #fff;
  height: 100%;
  width: 100%;
  opacity: 0.8;
  top: 0;
  left: 0;
  position: absolute;
  padding: 0;
	transition: opacity .5s;
}
.tempwidget {
	width: 5em;
	margin: 0 auto;
	writing-mode: vertical-lr;
	height: 100%;
}
.loader {
  width: 5em;
  height: 5em;
	margin: 30% auto;
}