app.css

html {
  line-height: 1.15;
}

hr {
  overflow: visible;
}

pre {
  font-family: monospace, monospace;
  font-size: 1em;
}

abbr[title] {
  text-decoration: underline;
  text-decoration: underline dotted;
}

b,
strong {
  font-weight: bolder;
}

code,
kbd,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}

small {
  font-size: 80%;
}

button {
  text-transform: none;
}

input {
  overflow: visible;
}

legend {
  box-sizing: border-box;
  display: table;
  max-width: 100%;
  padding: 0;
  white-space: normal;
}

progress {
  display: inline-block;
}

details {
  display: block;
}

summary {
  display: list-item;
}

body {
  -ms-user-select: none;
      user-select: none;
}

.popup {
  --text-color: black;
  color: var(--text-color);
  background-color: rgba(187, 187, 187, 0.6);
}

.slide {
  will-change: transform;
}