```css
body {
font-family: Arial, sans-serif;
line-height: 1.6;
margin: 0;
padding: 0;
background-color: #f4f4f9;
color: #333;
}
h1 {
background-color: #0078D7;
color: white;
padding: 10px;
text-align: center;
}
ul {
padding: 15px;
list-style-type: square;
}
#updates a {
  text-decoration: none;
  color: #0078D7;
  font-weight: bold;
}
#updates a:hover {
  text-decoration: underline;
}
.lab-content {
  max-width: 800px;
  margin: 30px auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
}

.lab-content img {
  max-width: 100%;
  border-radius: 6px;
  margin-bottom: 15px;
}

.lab-content p {
  font-size: 1.1em;
}

```