* {
  box-sizing: inherit;
  margin: 0;
  padding: 0;

  outline: none;
}

body, input, button {
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
  font-size: 2.0vw;
  font-weight: 300;
}

html {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  height: 100%;
}

body {
  box-sizing: border-box;
  padding: 10px;
}

body style[contenteditable], .markup pre {
  display: block;
  color: #333;
  font-size: 1.75vw;
  line-height: 1.4;
  font-family: 'Anonymous Pro';
  padding: 20px;
  white-space: pre;
  height: 100%;
  width: 100%;

  overflow-y: auto;

  /*background-image: -webkit-linear-gradient(90deg, #f35626, #feab3a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;*/
}

style[contenteditable] {
  border-bottom: 1px solid #ccc;
}

.result {
  border-left: 1px solid #ccc;
}

/* Columns */

html,
body,
main {
  height: 100%;
  width: 100%;
}

main {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-flex-flow: column wrap;
      -ms-flex-flow: column wrap;
          flex-flow: column wrap;
  -webkit-align-content: space-between;
      -ms-flex-line-pack: justify;
          align-content: space-between;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

section {
  width: calc(50% - 10px);
}

.style,
.markup {
  height: calc(50% - 10px);
}

.em style, .de-em pre {
  font-size: 1.75vw !important;
}

.em {
  height: calc(60% - 10px);
}

.de-em {
  height: calc(40% - 10px);
}

.result {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  height: 100%;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-user-select: none;
}

/* /Columns */

div {
  margin: 0 auto;
  padding: 0 5px 5px;
  width: 60%;

  background-color: white;
  border: 1px solid hsl(0, 0%, 85%);
  border-radius: 10px;
  box-shadow: 0 2px 5px hsl(0, 0%, 90%);
}

input[type=text] {
  border: 0;
  border-bottom: 1px dashed hsl(0, 0%, 75%);
  outline: none;
  width: 120px;
}

p {
  line-height: 40px;
  padding-left: 10px;
}

button, .button {
  border: 1px solid hsl(0, 0%, 80%);
  border-radius: 5px;

  background: white;
  box-shadow: inset 0 -3px 0 hsl(0, 0%, 95%);
  cursor: pointer;

  color: hsl(0, 0%, 60%);
  text-align: center;

  display: block;
  outline: none;
  /*padding: 10px 15px;*/
  padding: 1vw 2.5vw;
}

.button:active {
  background: hsl(0, 0%, 98%);
  box-shadow: inset 0 0 5px hsl(0, 0%, 85%);
}