```html

```css

display: block;

text-align: center;

font-size: 20px;

color: #333;

text-decoration: none;

border: none;

border-bottom: 2px solid #ccc;

a:hover {

background-color: #ddd;

```html

```css

width: 100%;

height: auto;

margin-top: 20px;

background-color: #ddd;