html, body {
  margin: 0;
  height: 100%;
}

.nest {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: auto;
  height: 100%;
}

.container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.header {
  background: rgba(0, 0, 0, 0.2);
}

.form {
  padding: 0.25rem;
  left: 0;
  right: 0;
  display: flex;
  height: 3rem;
  box-sizing: border-box;
  backdrop-filter: blur(10px);
}

#textbox, #filename, #title {
  border: none;
  padding: 0 1rem;
  flex-grow: 1;
  border-radius: 2rem;
  margin: 0.25rem;
  min-width: 1rem;
}

#textbox:focus, #filename:focus, #title:focus {
  outline: none;
}

.form > button {
  background: #333;
  border: none;
  padding: 0 1rem;
  margin: 0.25rem;
  border-radius: 3px;
  outline: none;
  color: #fff;
}

#size {
  display: none;
  margin: 0.25rem;
}

#color {
  display: none;
  border: none;
  aspect-ratio: 1;
  width: auto;
  height: 100%;
  border-radius: 3px;
  outline: none;
}

#members {
  font-size: small;
  padding: 0.5rem;
  margin-bottom: 0.5rem;
}

#listener, #speaker {
  margin-left: 2px;
}

.spacer {
  margin-right: 0.5rem;
}

#membernames {
  font-size: small;
  margin-left: 4px;
}

#messages {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

#messages > li {
  padding: 0.3rem 1rem;
  border-bottom: solid 1p #ccc;
}

#messages > li:nth-child(odd) {
  background: #efefef;
}

#name {
  font-weight: bold;
  margin-right: 4px;
}

#time {
  font-size: x-small;
  margin-left: 4px;
}