body {
  font-family: Arial, sans-serif;
  margin: 40px auto;
  max-width: 600px;
  padding: 20px;
  background: #f9f9f9;
  color: #333;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

#lesson-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  gap: 10px;
}

.lesson {
  display: flex;
  align-items: center;
  gap: 5px;
  background: white;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ddd;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.5s;
}

.lesson:hover {
  background: #d76cef;
}

.lesson label {
  color: #d76cef;
  font-weight: bold;
  font-size: 20px;
}

.lesson:hover label {
  color: #000;
  transition: color 0.5s;
}

.lesson input {
  -ms-transform: scale(1.7); /* IE */
  -moz-transform: scale(1.7); /* FF */
  -webkit-transform: scale(1.7); /* Safari and Chrome */
  -o-transform: scale(1.7); /* Opera */
  transform: scale(1.7);
  padding: 1px;
  font-size: 110%;
  display: inline;
}