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主屏幕上的全屏APP,带有推送通知、徽章等。

在iOS和iPadOS上安装此APP
  1. 在Safari中轻敲分享图标
  2. 滚动菜单并轻敲添加到主屏幕
  3. 轻敲右上角的添加按钮。
在安卓上安装此APP
  1. 轻敲浏览器右上角的三个点菜单 (⋮) 。
  2. 轻敲添加到主屏幕安装APP
  3. 轻敲安装进行确认。
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HTML Styles


The HTML style attribute is used to add styles to an element, such as color, font, size, and more.


Example

I am Red

I am Blue

I am Big


The HTML Style Attribute

Setting the style of an HTML element, can be done with the style attribute.

The HTML style attribute has the following syntax:

<tagname style="property:value;">

The property is a CSS property. The value is a CSS value.

You will learn more about CSS later in this tutorial.


Background Color

The CSS background-color property defines the background color for an HTML element.

Example

Set the background color for a page to powderblue:

<body style="background-color:powderblue;">

<h1>This is a heading</h1>
<p>This is a paragraph.</p>

</body>

Example

Set background color for two different elements:

<body>

<h1 style="background-color:powderblue;">This is a heading</h1>
<p style="background-color:tomato;">This is a paragraph.</p>

</body>


Text Color

The CSS color property defines the text color for an HTML element:

Example

<h1 style="color:blue;">This is a heading</h1>
<p style="color:red;">This is a paragraph.</p>

Fonts

The CSS font-family property defines the font to be used for an HTML element:

Example

<h1 style="font-family:verdana;">This is a heading</h1>
<p style="font-family:courier;">This is a paragraph.</p>

Text Size

The CSS font-size property defines the text size for an HTML element:

Example

<h1 style="font-size:300%;">This is a heading</h1>
<p style="font-size:160%;">This is a paragraph.</p>

Text Alignment

The CSS text-align property defines the horizontal text alignment for an HTML element:

Example

<h1 style="text-align:center;">Centered Heading</h1>
<p style="text-align:center;">Centered paragraph.</p>

Chapter Summary

  • Use the style attribute for styling HTML elements
  • Use background-color for background color
  • Use color for text colors
  • Use font-family for text fonts
  • Use font-size for text sizes
  • Use text-align for text alignment


Video: HTML Styles

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配置浏览器推送通知

Chrome (安卓)
  1. 轻敲地址栏旁的锁形图标。
  2. 轻敲权限 → 通知。
  3. 调整你的偏好。
Chrome (台式电脑)
  1. 点击地址栏中的挂锁图标。
  2. 选择网站设置。
  3. 找到通知选项并调整你的偏好。