```css
.message, .success, .error, .warning {
  border-color: 1px solid #cccccc;
  padding: 10px;
  color: #333;
}

.success {
  border-color: green;
}

.error {
  border-color: red;
}

.warning {
  border-color: yellow;
}
```
```css
.message, .success, .error, .warning {
  border: 1px solid #cccccc;
  padding: 10px;
  color: #333;
}

.success {
  border-color: green;
}

.error {
  border-color: red;
}

.warning {
  border-color: yellow;
}
```
Fix typo in code snippet for extend
Fix typo in code snippet for extend

the SCSS snippet sets the "border" property of .message,
but the resulting CSS snippet has "border-color" (should be "border")
(and obviously you can't use "1px solid" on border-color)
