@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap ');

body {
  background-color: #000;
  color: white;
  font-family: 'Roboto', sans-serif;
}

.lesson-block {
  display: flex;
  align-items: start;
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.calendar-circle,
.grade-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: white;
  color: black;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: bold;
  font-size: 18px;
}

.lesson-description {
  flex-grow: 1;
  margin-left: 16px;
  margin-right: 16px;
}

.teacher-comment {
  font-style: italic;
  font-size: 0.9rem;
  color: #ccc;
  margin-top: 8px;
  display: block;
}

.navigation a {
  color: white;
  text-decoration: none;
  margin: 0 10px;
  transition: color 0.2s;
}

.navigation a:hover {
  color: #ccc;
}