body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

.container {
  display: flex;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin: 20px;
  padding: 20px;
}

.sidebar {
  flex: 0 0 200px;
  background-color: #f5f5f5;
  padding: 10px;
  border-radius: 10px 0 0 10px;
}

.sidebar h2 {
  margin-top: 0;
  color: rgb(0, 0, 0)
}

.sidebar ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
   color: rgb(0, 0, 0)
}

.sidebar li {
  cursor: pointer;
  margin-bottom: 10px;
}

.sidebar li.active {
  font-weight: bold;
}

.divider {
  flex: 0 0 1px;
  background-color: #ddd;
  margin: 0 5px;
}

.content {
  flex: 1;
  padding: 20px;
  background-color: #fff;
  border-radius: 0 10px 10px 0;
}

.section {
  display: none;
   color: rgb(0, 0, 0)
}

.section.active {
  display: block;
}




@media (max-width: 768px) {