```cssa { textdecoration: none;}```
```cssa.myclass { textdecoration: none;}```
```cssmyid { textdecoration: none;}```
运用CSS的text-decoration特点去除下划线
```css
text-decoration: none;
```css
/ 运用类选择器 /
.my-link {
text-decoration: none;
/ 运用ID选择器 /
my-link {
text-decoration: none;
```html
