body {
  background-color: #50773d;
  color: white;
  font-family: system-ui, "Open Sans", "Helvetica Neue", sans-serif;
  padding: 20px;
  line-height: 1.6;
}

a {
  color: white;
  text-decoration: underline;
}

a:hover {
  color: #ffeb3b;
  text-decoration: none;
}

img {
  max-width: 100%;
  margin: 10px 5px;
  border-radius: 8px;
}

ul {
  padding-left: 30px;
  margin-bottom: 20px;
}

li {
  margin-bottom: 8px;
}

h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
  text-align: center;
}

h2 {
  font-size: 1.8em;
  margin-top: 30px;
  margin-bottom: 15px;
}

h3 {
  font-size: 1.8em;
  margin-top: 30px;
  margin-bottom: 15px;
}

.sticky-note {
  width: 420px;
  background-color: #6885d4;
  padding: 10px;
  border: 1px solid #333;
  border-radius: 10px;
  box-shadow: 3px 3px 10px rgba(0,0,0,0.2);
  margin: 20px auto;
}

canvas {
  background-color: white;
  border: 2px dashed #333;
  cursor: crosshair;
}

.tools {
  margin-top: 10px;
}

button {
  padding: 5px 10px;
  cursor: pointer;
}