---
# System prepended metadata

title: 手風琴標題加 加，減 符號
tags: [Bootstrap]

---

---
tags: Bootstrap
---

# 手風琴標題加 加，減 符號

在HTML加上Class名稱 " accordion-title "
```html=
<div class="card-header">
      <a class="card-link accordion-title" data-toggle="collapse" href="#collapseOne">
        Collapsible Group Item #1
      </a>
</div>
```

```css=
.accordion-title:before {
    float: right !important;
    font-family: FontAwesome;
    content:"\f068";
    padding-right: 5px;
}
.accordion-title.collapsed:before {
    float: right !important;
    content:"\f067";
}
```