```html

```css

color: red;

方法二：使用絕對定位和 background-color

```html

<div style="position: absolute; top: 100px; left: 100px; background-color: blue;">

</div>

```css

div {

position: absolute;

top: 100px;

left: 100px;

background-color: blue;

方法三：使用自定義顏色

```html

```css

color: black;