/* Using Bootstrap CSS */
@import url('https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css');

/* Custom CSS */
body {
  background-color: #f5f5f5;
}

header h1 {
  text-align: center;
}

.sidebar {
  background-color: #000;
  color: #fff;
  padding: 1rem;
}

.sidebar a {
  color: #fff;
  margin-right: 1rem;
}

#new-note form {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

#new-note form label {
  flex-basis: 100%;
  margin-bottom: 0.5rem;
}

#new-note form input,
#new-note form textarea,
#new-note form select {
  flex-basis: 50%;
  margin-bottom: 1rem;
}

#new-note form button {
  flex-basis: 25%;
}

#note-history {
  overflow-y: scroll;
  max-height: 40vh;
}

#note-history li {
  background-color: #fff;
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}