* {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  margin: 0 auto;
  max-width: 60em;
  padding-bottom: 2em;
}

figure {
  margin: 0;
}

footer {
  background: gainsboro;
  margin: 3em 0;
  padding: 2ex;
}

p code {
  background: gainsboro;
  border-radius: 0.5ex;
  padding: 0 1ex;
}

pre.demo {
  background: gainsboro;
  border-radius: 1ex;
  overflow: auto;
  padding: 0 2ex;
}

.editor {
  margin: 0;
  padding: 0;
}

.editor textarea {
  height: 12em;
  width: 100%;
}

.editor textarea.error {
  border: 1px solid red;
}

.zaephyrus--svg {
  box-shadow: 0 0 5px 5px rgba(0, 0, 0, 0.1);
}