html, body {
  position: relative;
  color: #333;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  font-family: Helvetica, arial, freesans, clean, sans-serif;
  font-size: 1em;
  line-height: 1.5em;
  background-color: #444;
  height: 100%;
  overflow: hidden;
}

body {
  overscroll-behavior: none;
}

h1, h2, h3, h4, h5, h6, p {
  font-size: 1em;
  margin: 0;
  padding: 0;
  font-weight: normal;
}

p {
  margin: 1em;
}

a:link,
a:visited,
a:hover
a:active {
  color: #333;
  text-decoration: none;
}

img {
  border: none;
}

#header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  background-color: #444;
  width: 100%;
  padding: 10px;
  text-align: center;
}

#header h1 a {
  color: #fff;
  font-size: 1.5em;
}

#container {
  position: absolute;
  width: 100%;
  margin: 0 auto;
  background-color: #fff;
  overflow: hidden;
}

#editor-wrapper {
  border-right: 10px solid #eee;
}

#preview-wrapper {
  padding-left: 10px;
}

.column {
  padding: 0;
  margin: 0;
  white-space: nowrap;
  display: inline-block;
  width: 50%;
  vertical-align: top;
  overflow-y: scroll;
}

#preview.column {
  white-space: normal;
}

#footer {
  padding: 5px;
  z-index: 1001;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #444;
  color: #fff;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

#footer #copyright {
  color: #999;
}

#copyright img {
  width: 16px;
  display: block;
  padding: 0;
  margin: 0;
}

#footer #copyright a {
  display: block;
  padding: 0;
  margin: 0;
  font-size:0;
  color: #999;
}

#footer #copyright a:hover {
  color: #fff;
  text-decoration: none;
}