# css3
- hover動畫
```
<pre class="calibre14">```
<span class="token2">.</span>hover<span class="token">-</span>ani <span class="token2">{</span>
display<span class="token2">:</span> inline<span class="token">-</span>block<span class="token2">;</span>
position<span class="token2">:</span> relative<span class="token2">;</span>
color<span class="token2">:</span> #<span class="token3">33151</span>e<span class="token2">;</span>
<span class="token2">}</span>
<span class="token2">.</span>hover<span class="token">-</span>ani<span class="token2">:</span><span class="token2">:</span>after <span class="token2">{</span>
content<span class="token2">:</span> <span class="token4">''</span><span class="token2">;</span>
position<span class="token2">:</span> absolute<span class="token2">;</span>
width<span class="token2">:</span> <span class="token3">100</span><span class="token">%</span><span class="token2">;</span>
transform<span class="token2">:</span> <span class="token1">scaleX</span><span class="token2">(</span><span class="token3">0</span><span class="token2">)</span><span class="token2">;</span>
height<span class="token2">:</span> <span class="token3">2</span>px<span class="token2">;</span>
bottom<span class="token2">:</span> <span class="token3">0</span><span class="token2">;</span>
left<span class="token2">:</span> <span class="token3">0</span><span class="token2">;</span>
background<span class="token">-</span>color<span class="token2">:</span> #<span class="token3">33151</span>e<span class="token2">;</span>
transform<span class="token">-</span>origin<span class="token2">:</span> bottom right<span class="token2">;</span>
transition<span class="token2">:</span> transform <span class="token3">0.25</span>s ease<span class="token">-</span>out<span class="token2">;</span>
<span class="token2">}</span>
<span class="token2">.</span>hover<span class="token">-</span>ani<span class="token2">:</span>hover<span class="token2">:</span><span class="token2">:</span>after <span class="token2">{</span>
transform<span class="token2">:</span> <span class="token1">scaleX</span><span class="token2">(</span><span class="token3">1</span><span class="token2">)</span><span class="token2">;</span>
transform<span class="token">-</span>origin<span class="token2">:</span> bottom left<span class="token2">;</span>
<span class="token2">}</span>
<span class="token"><</span>div class<span class="token">=</span><span class="token4">"hover-ani"</span><span class="token">></span>移動到內容出現動畫<span class="token"><</span><span class="token">/</span>div<span class="token">></span>
```
```
- 豎線
```
<pre class="calibre14">```
<span class="token2">.</span>shortcut<span class="token2">{</span>
display<span class="token2">:</span> flex<span class="token2">;</span>
<span class="token2">}</span>
li <span class="token2">{</span>
list<span class="token">-</span>style<span class="token">-</span>type<span class="token2">:</span> none<span class="token2">;</span>
margin<span class="token2">:</span> <span class="token3">0</span><span class="token2">;</span>
padding<span class="token2">:</span> <span class="token3">0</span> <span class="token3">0.75</span>rem<span class="token2">;</span>
<span class="token2">}</span>
li<span class="token2">:</span><span class="token1">not</span><span class="token2">(</span><span class="token2">:</span>last<span class="token">-</span>child<span class="token2">)</span> <span class="token2">{</span>
border<span class="token">-</span>right<span class="token2">:</span> <span class="token3">1</span>px solid #d2d5e4<span class="token2">;</span>
<span class="token2">}</span>
<span class="token"><</span>ul class<span class="token">=</span><span class="token4">"shortcut"</span><span class="token">></span>
<span class="token"><</span>li<span class="token">></span>首頁<span class="token"><</span><span class="token">/</span>li<span class="token">></span>
<span class="token"><</span>li<span class="token">></span>關于<span class="token"><</span><span class="token">/</span>li<span class="token">></span>
<span class="token"><</span>li<span class="token">></span>聯系<span class="token"><</span><span class="token">/</span>li<span class="token">></span>
<span class="token"><</span><span class="token">/</span>ul<span class="token">></span>
```
```
- 小三角 bottom向上 top向下 第二個left向右 right向左
```
<pre class="calibre14">```
<span class="token2">.</span>triangle <span class="token2">{</span>
width<span class="token2">:</span> <span class="token3">0</span><span class="token2">;</span>
height<span class="token2">:</span> <span class="token3">0</span><span class="token2">;</span>
border<span class="token">-</span>top<span class="token2">:</span> <span class="token3">10</span>px solid #<span class="token3">333</span><span class="token2">;</span>
border<span class="token">-</span>left<span class="token2">:</span> <span class="token3">10</span>px solid transparent<span class="token2">;</span>
border<span class="token">-</span>right<span class="token2">:</span> <span class="token3">10</span>px solid transparent<span class="token2">;</span>
<span class="token2">}</span>
<span class="token2">.</span>triangle <span class="token2">{</span>
width<span class="token2">:</span> <span class="token3">0</span><span class="token2">;</span>
height<span class="token2">:</span> <span class="token3">0</span><span class="token2">;</span>
border<span class="token">-</span>top<span class="token2">:</span> <span class="token3">10</span>px solid transparent<span class="token2">;</span>
border<span class="token">-</span>bottom<span class="token2">:</span> <span class="token3">10</span>px solid transparent<span class="token2">;</span>
border<span class="token">-</span>left<span class="token2">:</span> <span class="token3">10</span>px solid #<span class="token3">333</span><span class="token2">;</span>
<span class="token2">}</span>
<span class="token"><</span>div class<span class="token">=</span><span class="token4">"triangle"</span><span class="token">></span><span class="token"><</span><span class="token">/</span>div<span class="token">></span>
```
```
- 文本截斷
```
<pre class="calibre14">```
<span class="token2">.</span>ell<span class="token">-</span>text <span class="token2">{</span>
overflow<span class="token2">:</span> hidden<span class="token2">;</span>
white<span class="token">-</span>space<span class="token2">:</span> nowrap<span class="token2">;</span>
text<span class="token">-</span>overflow<span class="token2">:</span> ellipsis<span class="token2">;</span>
width<span class="token2">:</span> <span class="token3">200</span>px<span class="token2">;</span>
<span class="token2">}</span>
<span class="token"><</span>div class<span class="token">=</span><span class="token4">"ell-text"</span><span class="token">></span>測試文本截斷顯示三個點測試文本截斷顯示三個點<span class="token2">.</span><span class="token"><</span><span class="token">/</span>div<span class="token">></span>
```
```
- loading
```
<pre class="calibre14">```
@keyframes donut<span class="token">-</span>spin <span class="token2">{</span>
<span class="token3">0</span><span class="token">%</span> <span class="token2">{</span>
transform<span class="token2">:</span> <span class="token1">rotate</span><span class="token2">(</span><span class="token3">0</span>deg<span class="token2">)</span><span class="token2">;</span>
<span class="token2">}</span>
<span class="token3">100</span><span class="token">%</span> <span class="token2">{</span>
transform<span class="token2">:</span> <span class="token1">rotate</span><span class="token2">(</span><span class="token3">360</span>deg<span class="token2">)</span><span class="token2">;</span>
<span class="token2">}</span>
<span class="token2">}</span>
<span class="token2">.</span>loading <span class="token2">{</span>
display<span class="token2">:</span> inline<span class="token">-</span>block<span class="token2">;</span>
border<span class="token2">:</span> <span class="token3">3</span>px solid <span class="token1">rgba</span><span class="token2">(</span><span class="token3">0</span><span class="token2">,</span> <span class="token3">0</span><span class="token2">,</span> <span class="token3">0</span><span class="token2">,</span> <span class="token3">0.2</span><span class="token2">)</span><span class="token2">;</span>
border<span class="token">-</span>left<span class="token">-</span>color<span class="token2">:</span> #<span class="token3">333</span><span class="token2">;</span>
border<span class="token">-</span>radius<span class="token2">:</span> <span class="token3">50</span><span class="token">%</span><span class="token2">;</span>
width<span class="token2">:</span> <span class="token3">25</span>px<span class="token2">;</span>
height<span class="token2">:</span> <span class="token3">25</span>px<span class="token2">;</span>
animation<span class="token2">:</span> donut<span class="token">-</span>spin <span class="token3">1</span>s linear infinite<span class="token2">;</span>
<span class="token2">}</span>
<span class="token"><</span>div class<span class="token">=</span><span class="token4">"loading"</span><span class="token">></span><span class="token"><</span><span class="token">/</span>div<span class="token">></span>
```
```
- 美化表格
```
<pre class="calibre14">```
<span class="token2">.</span>table <span class="token2">{</span>width<span class="token2">:</span><span class="token3">90</span><span class="token">%</span><span class="token2">;</span>background<span class="token2">:</span>#ddd<span class="token2">;</span> margin<span class="token2">:</span> <span class="token3">10</span>px auto<span class="token2">;</span>border<span class="token">-</span>collapse<span class="token2">:</span>collapse<span class="token2">;</span><span class="token2">}</span>
<span class="token2">.</span>table th<span class="token2">,</span> <span class="token2">.</span>table td <span class="token2">{</span>height<span class="token2">:</span><span class="token3">25</span>px<span class="token2">;</span>line<span class="token">-</span>height<span class="token2">:</span><span class="token3">25</span>px<span class="token2">;</span>text<span class="token">-</span>align<span class="token2">:</span>center<span class="token2">;</span>border<span class="token2">:</span><span class="token3">1</span>px solid #ddd<span class="token2">;</span><span class="token2">}</span>
<span class="token2">.</span>table th <span class="token2">{</span>background<span class="token2">:</span>#eee<span class="token2">;</span>font<span class="token">-</span>weight<span class="token2">:</span>normal<span class="token2">;</span><span class="token2">}</span>
<span class="token2">.</span>table tr <span class="token2">{</span>background<span class="token2">:</span>#fff<span class="token2">;</span><span class="token2">}</span>
<span class="token2">.</span>table tr<span class="token2">:</span>hover <span class="token2">{</span>background<span class="token2">:</span> #d6f8dc<span class="token2">;</span><span class="token2">}</span>
<span class="token2">.</span>table td a <span class="token2">{</span>color<span class="token2">:</span>#<span class="token3">06</span>f<span class="token2">;</span>text<span class="token">-</span>decoration<span class="token2">:</span>none<span class="token2">;</span><span class="token2">}</span>
<span class="token2">.</span>table td a<span class="token2">:</span>hover <span class="token2">{</span>color<span class="token2">:</span>#<span class="token3">06</span>f<span class="token2">;</span>text<span class="token">-</span>decoration<span class="token2">:</span>underline<span class="token2">;</span><span class="token2">}</span>
```
```
- 1px水平線
```
<pre class="calibre14">```
<span class="token2">.</span>hr1 <span class="token2">{</span>
width<span class="token2">:</span><span class="token3">100</span><span class="token">%</span><span class="token2">;</span>
margin<span class="token2">:</span><span class="token3">0</span> auto<span class="token2">;</span>
border<span class="token2">:</span> <span class="token3">0</span><span class="token2">;</span>
height<span class="token2">:</span><span class="token3">0</span><span class="token2">;</span>
border<span class="token">-</span>top<span class="token2">:</span> <span class="token3">1</span>px solid <span class="token1">rgba</span><span class="token2">(</span><span class="token3">0</span><span class="token2">,</span> <span class="token3">0</span><span class="token2">,</span> <span class="token3">0</span><span class="token2">,</span> <span class="token3">0.1</span><span class="token2">)</span><span class="token2">;</span>
<span class="token2">}</span>
```
```
- 自定義選擇色
```
<pre class="calibre14">```
<span class="token2">.</span>selection<span class="token2">:</span><span class="token2">:</span>selection <span class="token2">{</span>
background<span class="token2">:</span> deeppink<span class="token2">;</span>
color<span class="token2">:</span> white<span class="token2">;</span>
<span class="token2">}</span>
```
```
- a屬性
```
<pre class="calibre14">```
a<span class="token2">[</span>disable<span class="token2">]</span><span class="token2">{</span> opacity<span class="token2">:</span><span class="token3">0.5</span><span class="token2">;</span> cursor<span class="token2">:</span>default<span class="token2">;</span> pointer<span class="token">-</span>events<span class="token2">:</span>none<span class="token2">}</span>
```
```
- 橫向垂直居中
```
<pre class="calibre14">```
<span class="token2">.</span>v<span class="token">-</span>center<span class="token2">{</span>
display<span class="token2">:</span>flex<span class="token2">;</span>align<span class="token">-</span>items<span class="token2">:</span> center<span class="token2">;</span>justify<span class="token">-</span>content<span class="token2">:</span>center<span class="token2">;</span>
<span class="token2">}</span>
```
```
- 必填
```
<pre class="calibre16">```
<span class="token2">.</span>req<span class="token2">:</span>after<span class="token2">{</span>
content<span class="token2">:</span> <span class="token4">' *'</span><span class="token2">;</span>
color<span class="token2">:</span> #EF4F4F<span class="token2">;</span>
font<span class="token">-</span>weight<span class="token2">:</span>bold<span class="token2">;</span>
<span class="token2">}</span>
```
```
- 簡介
- 第一章 數據庫
- Mysql/mariadb
- 函數
- 基礎
- 增刪改索引
- 標準查詢
- 高級查詢
- TIDB集群mysql解決方案
- Redis
- 語言基礎
- 5種數據類型
- 其他類型
- Sqlite
- 語言基礎
- 常用查詢
- 第二章 PHP
- 語言基礎
- 第一課 流程控制和運算
- 第二課 數組
- 第三課 日期時間
- 第四課 常用函數
- 第五課 字符串
- 第六課 文件操作
- 第七課 面向對象
- 第八課 正則表達式
- 第九課 圖片處理生成
- 第十課 curl/memche
- 第十一課 mysql和pdo
- 第十三課 cookie和session
- 第十四課 xml操作
- 第十五課 php5.3+新特性
- 第十六課 php7+
- 第十七課 密碼安全
- 廢棄函數
- php命令行
- redis應用
- 算法
- 排序算法
- 基礎算法
- 無限級分類
- 自定義函數Fn
- 查找算法
- 自定義函數數據函數fn
- laravel
- 路由
- 常用語句
- 數據庫
- dingo/api
- Yii2
- 控制器
- 常用類
- 數據庫
- redis
- thinkphp6
- TP6文檔
- TP6插件
- dedecms
- 織夢標簽大全
- 數據庫操作
- 內置函數和定義函數
- 織夢核心改動
- 織夢插件/底層標簽開發
- PHP相關工具
- composer
- php開發環境phpenv
- Phpstorm使用
- windows編譯php擴展
- PHP開源庫
- 開源項目管理禪道
- sns_auth
- php-casbin權限控制
- php-jwt
- 微信SDKeasywechat
- querylist采集庫
- workerman
- Box/Spout處理excel和csv
- dll擴展
- redis/memche/xdebug
- redis
- Lua
- php_xlswriter
- event
- swoole
- 常用代碼庫
- 微擎框架
- 第一課全局變量
- 第二課常用函數
- 第三課自定義微擎獨有函數
- 第四課數據庫操作
- 第五課微信端回復
- 第六課微擎高級操作
- 第八課global函數列表
- mainfest.xml詳解
- js方法
- 人人商城
- 第一課model解讀
- 第二課常用語句解讀
- 第三課常用js解讀
- 第四課附錄常見問題
- 第五課附錄處理報表|支付
- 常用JSON狀態碼
- 第三章 JavaScript
- js基礎
- 瀏覽器對象
- 語言基礎
- html5接口
- ES6新語法
- vue
- 基礎語法
- 京東vueUI組件
- uniapp
- 組件開發規范
- nodejs
- 基礎知識
- 安裝node
- nvm不同版本node切換
- js常用標準庫
- zepto/jquery
- weui
- js圖標庫
- elementUI
- validator表單驗證
- layer彈出層
- requirejs
- wow動畫
- 動畫animate
- swiper4
- 百度編輯器
- flyio/axios/qs
- jquery.form
- bootstrap3
- clipboard復制
- slideout側滑
- imagehover.css圖片懸停動畫
- webpack打包
- Bulma UI框架
- store 客戶端存儲
- lottie動畫創建庫
- sweetalert
- js自定義函數
- 常見JSSDK
- 微信公眾號JSSDK
- 騰訊地圖jssdk
- 微信小程序
- 第四章 編程語言
- markdown語言
- Dart語言
- Dart語言基礎
- Flutter框架
- Lua語言
- 字符串,數組,表
- 自定義方法
- go語言
- 第1.1語言基本語法
- 第1.2流程控制
- 第1.3函數
- 第1.4結構體
- 第1.5接口
- 第1.6包
- go語言框架Gin
- CSS3語言
- CSS與CSS3
- 選擇符
- 屬性
- css3
- loading動畫
- HTML5語言
- less
- sass
- C#
- 基礎知識
- 函數
- 第五章 開發工具
- git
- nginx/apache服務器
- Linux常用操作
- crontab定時任務
- 注冊表與cmd
- 阿里云ECS
- frp穿透和ssl續期
- 寶塔安裝
- 樹莓派
- 瀏覽器模擬
- 火狐/chrome常用插件
- WSL安裝使用
- mac brew和終端命令
- win10相關