Attribute · Aleen

CSS Back
- -ms -moz -webkit
- background

CSS Back

`-ms` `-moz` `-webkit`

Attribute	Description
`-ms`	to represent IE's private attributes.
`-moz`	to represent Firefox's private attributes.
`-webkit`	to represent private attributes of Chrome and Safari.

`background`

background是一個複合屬性, 其下有background-image, background-color, background-position, background-attachment和background-repeat. 我們可以直接設置- - background, 也可以分別對其下屬性進行社設置.
```
background:url(../pic/background.png);
```
- background-image 设置背景图片
```
background-image:url(../pic/background.png);
```
- background-color 设置背景顏色
```
background-color:#000;
background-color:transparent;
background-color:rgba(0, 0, 0, 0.8);
```

`float`

float用於浮動某個對象
通常<div>是在標準流之中從上往下排列的, 若要使得某個<div>擺脫標准流, 則要把其設置為浮動.
浮動特性:
- 若A元素設置了浮動, 而A前面的元素在標準流中, 那麼這兩個元素將保持垂直排列.
- 若A元素設置了浮動, 而A前面的元素也設置了浮動, 則這兩個元素將並行排列.
- 若兩元素都設置了浮動, 且想要保持垂直排列, 則可設置後一元素即A:
```
clear: left;    /* 強迫A元素左邊不能出現浮動 */
```

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Aleen^®

More than a coder, more than a designer

modified at 2016-08-05 15:12:07

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