html,
body {
  height: 100%;
  width: 100%;
  padding: 0px;
  margin: 0px;
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
}
body {
  display: flex;
  flex-flow: column;
  max-height: 100%;
  min-height: auto;
}
.CodeMirror {
  display: inline-block;
  height: 100%;
  width: 50%;
  min-width: 20%;
  max-width: 80%;
  resize: horizontal;
}
.CodeMirror.fullPage {
  min-width: 100%;
  max-width: 100%;
  resize: none;
}
.CodeMirror-focused .cm-matchhighlight {
  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAFklEQVQI12NgYGBgkKzc8x9CMDAwAAAmhwSbidEoSQAAAABJRU5ErkJggg==);
  background-position: bottom;
  background-repeat: repeat-x;
}
#editorContainer {
  flex: 1;
  display: flex;
  flex-flow: row;
  height: 100%;
  overflow: hidden;
}
#previewContainer {
  flex: 1;
  padding: 5px 20px;
  overflow: auto;
  display: inline-block;
  height: 100%;
  border-left: 1px solid black;
  box-sizing: border-box;
  font-family: Calibri, Ubuntu, sans-serif;
  word-wrap: break-word;
}
#preview {
  max-width: 40vw;
  margin: auto;
}
#preview table {
  border-collapse: collapse;
}
#preview table tr th {
  border: 3px solid black;
  padding: 15px;
}
@media (max-width: 600px) {
  .CodeMirror {
    flex: 1;
    max-width: 100%;
    resize: none;
  }
  #previewContainer {
    display: none !important;
  }
}