.problem-grid-btn {
  width: 2.25rem;
  height: 2.25rem;
}

body {
  min-height: 100vh;
}

.problem-content img {
  max-width: 100%;
  height: auto;
}

.problem-content .MathJax {
  font-size: 1.1em;
}

.problem-sidebar {
  position: sticky;
  top: 1rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, 2.5rem);
  gap: 0.25rem;
  justify-items: center;
}