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memorize.aimemorize.ai (lvl 286)
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Section 1

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如何用css html 制作一个按钮

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CSSWeb Dev
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6 years ago

Date created

Mar 1, 2020

Cards (13)

Section 1

(13 cards)

如何用css html 制作一个按钮

Front

1.创建一个<div></div> 设置 height: 50px width: 120px border-color: #6495ED background-color: #BCD2EE. 2.设置按钮的位置 margin:auto 3.设置按钮可点击;

Back

外联css样式的方法

Front

<head> <link href="stylesheet.css" type="text/css" rel="stylesheet"> </head>

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The id selector uses the id attribute of an HTML element to select a specific element. id selector is used to select one unique element!

Front

1，ID 选择器前面有一个 # 号 - 也称为棋盘号或井号 2，*#intro {font-weight:bold;}#intro {font-weight:bold;}效果将是一样的 3，实际 ID 选择器的例子： <p id="intro">This is a paragraph of introduction.</p> 4，#mostImportant {color:red;background:yellow;} 这个规则会与以下各个元素匹配（这些元素不能在同一个文档中同时出现，因为它们都有相同的 ID 值）： <h1 id="mostImportant">This is important!</h1> <em id="mostImportant">This is important!</em> <ul id="mostImportant">This is important!</ul> 5，<html> <head> <style type="text/css"> #mostImportant {color:red; background:yellow;} </style> </head> <body> <h1 id="mostImportant">This is important!</h1> <p>This is a paragraph.</p> <p>This is a paragraph.</p> <p>This is a paragraph.</p> <p>...</p> </body> </html>

Back

all <p> elements will be center-aligned, with a red text color

Front

p { color: red; text-align: center; }

Back

如果您希望把包含标题（title）的所有元素变为红色，可以写作：

Front

*[title] {color:red;}

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CSS selector

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Back

css基本语法

Front

selector { property: value; }

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all <p> elements will be center-aligned, with a red text color):

Front

p { text-align: center; color: red; }

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background-color 属性

Front

body { background-color: lightblue; }

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CSS comments

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/I'm a comment!/

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Hex-colors

Front

#p1 {background-color: #ff0000;} / red / #p2 {background-color: #00ff00;} / green / #p3 {background-color: #0000ff;} / blue /

Back

RGB Colors

Front

red, green, blue #p1 {background-color: rgb(255, 0, 0);} / red / #p2 {background-color: rgb(0, 255, 0);} / green/ #p3 {background-color: rgb(0, 0, 255);} / blue /

Back

Front

a valid color name - like "red" a HEX value - like "#ff0000" an RGB value - like "rgb(255,0,0)"

Back