vertical-align testing

by phloe

HTML

<link rel="stylesheet" href="https://www.dr.dk/global/publik.css">
<div> 
  <button>Foo <em>here</em> <i>now!</i></button>
</div>
<div>
  <button>Foo</button>
</div>

<span class="label"><i>Click here</i></span>

CSS

:root {
  --ascender: var(--dr-font-publik-ascender);
  --descender: var(--dr-font-publik-descender);
  --cap-height: var(--dr-font-publik-cap-height);
  --x-height: var(--dr-font-publik-x-height);
}

html {
  font-family: "DR Publik";
}

div  {
  margin: 1rem 0;
}

button {
  --offset: calc((((var(--ascender) - var(--char-height)) - var(--descender)) / 2) * 1em);
  background: blue;
  --padding-block: 1rem;
  padding: calc(var(--padding-block) + (1cap - 1ex)) 3rem var(--padding-block);
  padding: calc(1rem - var(--offset)) 3rem calc(1rem + var(--offset));
  padding: var(--padding-block) 3rem;
  border: 0;
  border-radius: 0;
  --char-height: var(--cap-height);
  font-size: calc(2rem / var(--char-height));
  line-height: 2.5rem;
  font-family: "DR Publik";
  _font-family: "Verdana";
  _max-width: 300px;
  color: #FFF;
  display: block;
  _font-size: 1ex;
}

button em {
  font-style: normal;
  font-family: "Verdana";
  font-family: "DR Publik";
  _vertical-align: calc((((var(--dr-font-publik-ascender) - var(--dr-font-publik-x-height)) - var(--dr-font-publik-descender)) / 2) * 1em);
  vertical-align: middle;
  line-height: 1ex;
}

button i {
  font-style: normal;
  font-family: "DR Publik";
  font-family: "Verdana";
  font-family: "Arial";
  _vertical-align: middle;
  line-height: 1ex;
  _font-size: calc((var(--dr-font-publik-x-height) / 0.5185546875) * 1em);
  _font-size: calc(1ex / 0.5185546875);
}

button::before {
  content: "";
  display: inline-block;
  height: 0.5em;
  width: 1px;
  background: currentcolor;
  vertical-align: middle;
  _margin-top: calc(1ex - 1cap);
}

.icon {
  vertical-align: middle;
  display: inline-block;
  width: 3rem;
  height: 3rem;
  background: currentColor;
  margin-right: 0.5rem;
  margin-top: calc(1ex - 1cap);
  display: none;
}

.label {
  
  font-size: 3rem;
  line-height: 3.5rem;
  font-family: "DR Publik";
}

.label i {
  background: blue;
  font-size: calc(1em / 1cap);
}