.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 25px 165px 1fr 0.03fr;
  gap: 2px 8px;
  grid-auto-flow: row;
  grid-template-areas:
    "gap gap"
    "header header"
    "code display"
    "footer footer";
}

.gap { grid-area: gap; }

.header { grid-area: header; }

.code { grid-area: code; }

.display { grid-area: display; }

footer { grid-area: footer; }

.header {
  display: flex;
  align-items: center;
  flex-direction: column;
}

#editor {
  margin-left: 25px;
}

iframe { flex-grow: 1; border: none; margin: 0; padding: 0; }

body, html, .container {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: #0d1117;
}

.code, .display {
  display: flex;
  width: 100%;
  height: 100%;
  flex-direction: column;
  background: inherit;
  overflow: hidden;
}

a {
  color: #4781b7;
  font-style: italic;
}

p {
  margin: -10px 0 20px;
  line-height: 1.25;
  color: #eaecec;
  word-wrap: break-word;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial,
  sans-serif, Apple Color Emoji, Segoe UI Emoji;
  font-size: 16px;
}

img {
  max-width: 600px;
  width: 100%;
}

footer > h4 {
  text-align: center;
  color: #999999;
  font-size: 12px;
  margin: 12px;
  font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 300;
  line-height: 1.1;
}

footer > h4 > a {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;
  cursor:default;
  text-decoration: none;
  color: #999999;
}