@charset "UTF-8";
* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--secondary-container);
}

/* для Chrome/Edge/Safari */
*::-webkit-scrollbar {
  height: 12px;
  width: 12px;
}

*::-webkit-scrollbar-track {
  background: var(--secondary-container);
}

*::-webkit-scrollbar-thumb {
  background-color: var(--primary);
  border-radius: 5px;
  border: 3px solid var(--secondary-container);
}

body {
  background-color: var(--background);
  color: var(--on-background);
}

h1,
h2,
h3,
h4 {
  font-weight: 300;
  color: var(--primary);
  padding-top: 1em;
  padding-bottom: 1em;
}

p {
  line-height: 1.8em;
  padding-bottom: 1.8em;
}

b {
  font-weight: 500;
}

main {
  position: fixed;
  top: 4rem;
  bottom: 0;
  width: 100%;
  box-sizing: border-box;
}

.wbox {
  background-color: var(--surface-container-lowest);
  color: var(--on-surface-container);
}

.spacer5 {
  height: 5em;
}

.spacer10 {
  height: 10em;
}

.pb5 {
  padding-bottom: 5em;
}

.pb10 {
  padding-bottom: 10em;
}

.pt5 {
  padding-top: 5em;
}

.pt10 {
  padding-top: 10em;
}

.jumbotron {
  background-color: var(--primary-container);
  backdrop-filter: blur(15px) grayscale(1);
  color: var(--on-primary-container);
  margin: 4em 0;
  padding: 4em 2em 3em;
  max-width: 40em;
  border-radius: 0.5em;
  font-size: 1.2em;
}
.jumbotron .ctls {
  display: flex;
  justify-content: flex-end;
}