# 快速課前掌握
## ==文字排版==
---
### ==文字行距 line-height==
- 行距算法
```css=
// 18 * 1.5 = 27px
font-size: 18px;
line-height: 1.5;
```
```css=
// 單獨算法
font-size: 16px;
line-height: 24px;
```
### ==文字靠齊==
```css=
text-align: 左或右
```
### ==首行縮排==
- 若要縮排兩個字原本的 16px * 2
```css=
font-size: 16px;
text-indent: 32px
```
### ==字與字的間鉅==
```css=
letter-spacing:2px
```
## ==容器介紹==
---
### ==display:block==
- display:block 特性會佔滿整個網頁
- display:block 會依照父元素的寬高去延伸
-
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