body, html {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

body {
  background: #f1f1f1;
  padding: 2rem;
  box-sizing: border-box;
}

#contentContainer {
  display: flex;
  height: 100%;
  width: 100%;
}




.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0.5rem;
}

.progress .bar {
  position: absolute;
  left: 0;
  top: 0;
  width: 0%;
  height: 0%;
  
  background-color: hsl(230, 100%, 50%);
  transition: height, width, background-color;
  transition-duration: .25s;
}

.progress .bar.visible {
  height: 100%;
}

.progress .bar.done {
  background-color: hsl(230, 100%, 75%);
}

iframe {
  width: 100%;
  height: 40vh;
  box-sizing: border-box;
  border: 0;
  border-top: 1px solid;
  border-bottom: 1px solid;
  margin: 1rem 0;
  resize: vertical;
  overflow-y: auto;
}



code,
pre {
  font-size: 1em;
  font-family: Consolas,Liberation Mono,monospace;
}

pre {
  margin-top: 0;
  margin-bottom: 0;
  word-wrap: normal;
  line-height: 1.1;
}

code {
  padding: .2em .4em;
  margin: 0;
  font-size: 85%;
  background-color: rgba(175,184,193,0.2);
  border-radius: 0.5em;
}
pre>code {
  padding: 0;
  margin: 0;
  word-break: normal;
  white-space: pre;
  background: transparent;
  border: 0;
}

pre code {
  display: inline;
  max-width: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  line-height: inherit;
  word-wrap: normal;
  background-color: transparent;
  border: 0;
}