* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  width: 100vw;
  height: 100svh;
}

body {
  width: 100vw;
  height: 100svh;
  display: grid;
  grid-template-rows: 1fr 1fr;
  align-items: center;
  justify-items: center;
  background-color: rgb(255, 204, 0);
  padding: 24px;
  overflow: hidden;
}

body.alt {
  background-color: rgb(36, 69, 255);
}

#btn {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 16px;
  background: #efefef;
  font-weight: bold;
  width: 100px;
  height: 100px;
  background-color: rgb(255, 204, 0);
  border-radius: 50px;

  box-shadow: 0 6px 0 rgb(214, 171, 0);
  border: 2px solid rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

body.alt #btn {
  background-color: rgb(36, 69, 255);
  box-shadow: 0 6px 0 rgb(28, 54, 200);
}

pre {
  position: relative;
  width: 100%;
  height: 100%;
  background: black;
  padding: 12px;
  color: white;
  overflow-x: hidden;
  overflow-y: scroll;
  white-space: pre-wrap;
  word-wrap: break-word;
  border-radius: 12px;
}

#letter {
  position: absolute;
  bottom: -0.3em;
  right: -0.1em;
  font-size: 400px;
  font-weight: bold;
  font-family: sans-serif;
  z-index: -1;
  opacity: 0.1;
  transform: rotate(10deg);
}

button.secondary {
  border: 1px solid rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  padding: 3px 6px;
  background-color: transparent;
  color: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

#switchBtn {
  position: absolute;
  bottom: 24px;
  right: 24px;
}

#idsBtn {
  position: absolute;
  bottom: 24px;
  left: 24px;
}