body {
    margin: 0;
    padding: 0;
}
img {
    max-width: 100% !important;
    height: auto !important;
}
header nav ul {
    background-color: bisque;
    display: flex;
    list-style: none;
    margin: 0;
    padding: 10px;
}
header nav ul li {
    margin: 0;
    padding: 0 10px;
}
main {
 padding: 0 20px;   
}

.code-container {
  position: relative;
  background: #f4f4f4;
  border-radius: 8px;
  padding: 1em;
  margin-bottom: 2em;
  font-family: monospace;
  overflow-x: auto;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.75rem;
  background: #4caf50;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
}