:root {
  --shell-max: 1680px;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
}

.shell {
  max-width: var(--shell-max);
  margin: 0 auto;
}

.panel {
  overflow: hidden;
}

.panel-title {
  font-weight: 700;
}

.muted {
  line-height: 1.55;
}

button {
  transition: opacity .18s ease, transform .18s ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

a {
  word-break: break-word;
}