body {
  background: linear-gradient(90deg, white 15px, transparent 1%) center, linear-gradient(white 15px, transparent 1%) center, #224159;
  background-size: 16px 16px;
}

.example-table {
  border-collapse: separate;
}

.example-table td {
  border: 1px solid black;
  width: 20px;
  height: 20px;
}

.example-table .current {
  background-color: #fcc;
}

.example-table .n {
  border-top-color: transparent;
}

.example-table .s {
  border-bottom-color: transparent;
}

.example-table .e {
  border-right-color: transparent;
}

.example-table .w {
  border-left-color: transparent;
}

.lesson-content table {
}

.lesson-content td {
  border: 1px solid black;
  padding: 8px;
}

.lesson-content td input {
  min-width: 300px;
}

.lesson-flex {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.random-tweet {
  width: 100%;
  margin-top: 100px;
}

.fem-link {
  text-align: center;
}

.lesson-links a {
  text-decoration: none;
}

blockquote {
  padding: 15px;
  background-color: #dce8ff;
  border: 2px solid #aab6d2;
  border-radius: 5px;
}

blockquote > *:last-child {
  margin-bottom: 0;
}

.lesson-content img {
  max-width: 100%;
}
