body {
  font-family: 'Roboto', sans-serif;
  color: #212121;
  height: 100%;
  width: 100%;
}

h2 {
  margin: .83em 0;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  height: 3em;
  width: 100%;
  background-color: #263238;
  padding: 0 1em;
  box-sizing: border-box;
  z-index: 999;
  color: #eee;
}

header nav ul {
  margin: 0;
  padding: 0;
  display: -webkit-box;
  /* OLD - iOS 6-, Safari 3.1-6 */
  display: -moz-box;
  /* OLD - Firefox 19- (buggy but mostly works) */
  display: -ms-flexbox;
  /* TWEENER - IE 10 */
  display: -webkit-flex;
  /* NEW - Chrome */
  display: flex;
}

header nav ul li {
  list-style-type: none;
  display: inline-block;
  vertical-align: middle;
}

header nav ul li:last-child {
  margin-left: auto;
}

header nav img {
  height: 2em;
}

header nav ul li a {
  padding: 0.5em 0.5em;
  line-height: 2em;
  display: block;
  text-decoration: none;
  color: inherit;
  transition: .5s ease background-color;
}

header nav ul li a:hover {
  background-color: rgba(255, 255, 255, 0.57);
}

main {
  position: fixed;
  top: 3em;
  left: 0;
  width: 100%;
  height: calc(100% - 3em);
  overflow: auto;
}

.content {
  margin: 1.5em auto;
  width: 80%;
  max-width: 800px;
}

.hidden {
  display: none;
}


/* EDITOR STYLE */

.editor .sidebar {
  position: fixed;
  left: 0;
  top: 3em;
  overflow-y: auto;
  overflow-x: hidden;
  height: calc(100% - 3em);
  width: 25%;
  background-color: #37474F;
  color: #ddd;
  box-sizing: border-box;
  padding: 1.5em 1em;
}

.editor .container {
  position: fixed;
  top: 3em;
  right: 0;
  overflow: hidden;
  height: calc(100% - 6em);
  width: 75%;
  box-sizing: border-box;
}

.editor .sidebar h2 {
  margin-top: 0;
}

.editor #preview-area, .editor textarea {
  position: relative;
  box-sizing: border-box;
  height: 100%;
  width: 100%;
  border: 0;
  padding: 1.5em 10%;
  font-size: 1.05em;
}

.editor #preview-area *:first-child {
  margin-top: 0;
}

.editor textarea {
  resize: none;
  font-family: monospace;
}

.editor textarea:focus {
  outline: 0;
}

.editor input {
  width: 100%;
  background-color: rgba(0, 0, 0, 0.25);
  color: rgba(255, 255, 255, 0.3);
  border: 0;
  border-radius: 5px;
  padding: .5em 1em;
  box-sizing: border-box;
}

.editor input:focus {
  color: rgba(255, 255, 255, 0.7);
  border: 0;
}

.editor h3 {
  font-size: 1em;
  font-weight: bold;
  margin: 0;
}

.action-bar {
  position: fixed;
  bottom: 0;
  right: 0;
  width: 75%;
  background-color: #455A64;
  height: 3em;
  display: flex;
  padding: 0.5em 1em;
  box-sizing: border-box;
}

.action-bar .left {
  margin-right: auto;
}

.action-bar *:last-child {
  margin-left: 1em;
}


/* FORMS ELEMENTS */

form input {
  color: rgba(0, 0, 0, 0.41);
  width: 15em;
  line-height: 1.25em;
  margin: .5em 0;
  border: 1px solid #fff;
  transition: .5s ease-out all;
  background-color: transparent;
}

form input:focus {
  color: inherit;
  outline: 0;
  border-bottom: 1px solid #2196F3;
}

form label {
  width: 10.5em;
  display: inline-block;
  margin: .1em 0 0;
}

form fieldset {
  border: 0;
  margin: 1em 0 0;
  padding: 1em 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

form legend {
  font-size: 1.5em;
}

button, input[type="submit"] {
  border: 0;
  color: #fff;
  margin: 0;
  padding: .5em 1em;
  border-radius: 10px;
  font-size: .9em;
  width: auto;
  line-height: 1em;
  background-color: #BBB;
  transition: .3s ease all;
}

button, input[type="submit"], button:active, input[type="submit"]:active, button:hover, input[type="submit"]:hover, button:focus, input[type="submit"]:focus {
  outline: 0;
}

button:hover, input[type="submit"]:hover, button:active, input[type="submit"]:active {
  background-color: #999;
}

button.default, input[type="submit"].default {
  background-color: #2196F3;
}

button.default:hover, input[type="submit"].default:hover, button.default:active, input[type="submit"].default:active {
  background-color: #1E88E5;
}

button.add {
  vertical-align: middle;
  border-radius: 50%;
  height: 1.5em;
  width: 1.5em;
  font-size: .7em;
  padding: 0;
}