* {
  margin: .3em 0;
}

html {
  width: 100%;
  height: 100%;
  margin: 0 auto;
}

body {
  height: 100%;
  width: 900px;
  margin: 0 auto;
  line-height: 1.3em;
  font-family: sans-serif;
  font-size: 14px;
}

p {
  margin: 0.5em 0;
}

pre {
  white-space: pre-wrap;
}

button {
  width: fit-content;
  min-width: 100px;
  margin: 4px;
}

h1 {
  margin: 0;
  padding: 10px;
  background-color: pink;
  line-height: 1em;
  text-align: center;
}

h2,
h3 {
  margin: .5em 0 0 0;
}

dd {
  margin-left: 1em;
}

strong {
  color: orangered;
  font-weight: bolder;
  margin: 0 .25em;
}

strong.most {
  color: red;
  font-size: 120%;
}

span.button {
  background-color: #EEE;
  color: black;
  padding: 2px 8px 0px;
  font-weight: normal;
  border: 1px solid black;
  border-radius: 4px;
  display: inline-block;
  font-size: 90%;
  text-indent: 0;
  margin: 0 0.5em;
}

div.rpg-window {
  padding: .5em;
  margin: .5em 0;
  border: 2px solid #333;
  border-radius: 4px;
  position: relative;
  background-color: inherit;
}

div.rpg-window > :first-child {
  margin-top: 0.5em;
}

div.rpg-window > :last-child {
  margin-bottom: 0;
}

div.rpg-window::before {
  position: absolute;
  top: -.5em;
  left: .5em;
  background-color: inherit;
  content: " " attr(data-title) " ";
  white-space: pre-wrap;
}

div.rpg-window + div.rpg-window {
  margin-top: 1em;
}

.hidden_data {
  display: none;
}

.information {
  grid-area: information;
  padding: .5em;
  margin: 0.5em;
  overflow-y: hidden;
  border: 1px solid navy;
  border-radius: 4px;
  user-select: none;
}

.information:empty {
  display: none;
}

.information > *:first-child {
  margin-top: 0.25em;
}

.information > *:last-child {
  margin-bottom: 0.25em;
}

.container {
  display: grid;
  grid-template: "h1   h1" auto "menu viewer" 1fr / 190px 1fr;
  margin: 0 0 0 20px;
  height: 100%;
}

.container h1 {
  grid-area: h1;
  user-select: none;
}

.container .menu {
  grid-area: menu;
  display: flex;
  flex-direction: column;
  user-select: none;
  background-color: lightyellow;
  padding: 0 .5em 1em;
  overflow-y: auto;
}

.container .viewer {
  grid-area: viewer;
  padding: 0 .5em;
  overflow-y: scroll;
}