---
title: 3.使用CSS變更HTML標籤特性
tags: JavaScript工程師養成直播班
---
## 1.網頁容器介紹
容器特性
網頁的排版都是有關於容器的設計

## 2.CSS Reset 清空瀏覽器預設樣式
CSS Reset 清除樣式
一般都會有預設樣式
如何清除預設樣式
- 逐一覆寫
- [CSS Tools: Reset CSS](https://meyerweb.com/eric/tools/css/reset/)

/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

### CSS Rest後的範例

### 也可個別取消 reset的樣式

### 可在CSS檔後面複寫要改的樣式
先放客製化 再寫上自己設定的CSS樣式 會吃後面的設定

:::info
h1{
color:palevioletred;
font-size: 20px;
}
:::

/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

h1{
    color:palevioletred;
    font-size: 20px;
}


## 3.區塊元素display:block介紹
區塊元素
- 儘可能佔滿整個版面
- 區塊元素會另起一行進行呈現
-
:::danger
display:block
:::

HTML標籤
H1->區塊元素
P->區塊元素
li->區塊元素

可於CSS設定 color, background 來查看是否為
區塊元素

background: blue;
color:white;


## 4.行內元素 介紹 display:inline

行內元素常用在段落裡