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CSS tutorials (w3school) https://www.schoolsw3.com/css/index.php (Русский язык) https://www.w3schools.com/css/css_intro.asp (English) https://www.w3sc 阅读全文
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https://www.w3schools.com/css/css_math_functions.asp The CSS math functions allow mathematical expressions to be used as property values. Here, we wil 阅读全文
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https://www.w3schools.com/css/css_important.asp What is !important? The !important rule in CSS is used to add more importance to a property/value than 阅读全文
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https://zhuanlan.zhihu.com/p/670589063 CSS Specificity(CSS 特异性)是一个用来决定当多个CSS规则应用于同一个元素时,哪个规则将优先应用的机制。 What is Specificity? If there are two or more CS 阅读全文
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https://www.w3schools.com/css/css_units.asp CSS Units CSS has several different units for expressing a length. Many CSS properties take "length" value 阅读全文
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https://www.w3schools.com/css/css_website_layout.asp Website Layout A website is often divided into headers, menus, content and a footer: There are to 阅读全文
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https://www.w3schools.com/css/css_counters.asp CSS counters are "variables" maintained by CSS whose values can be incremented by CSS rules (to track h 阅读全文
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https://www.w3schools.com/css/css_form.asp The look of an HTML form can be greatly improved with CSS: <!DOCTYPE html> <html> <style> input[type=text], 阅读全文
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https://www.w3schools.com/css/css_image_sprites.asp Image Sprites An image sprite is a collection of images put into a single image. A web page with m 阅读全文
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https://www.w3schools.com/css/css_image_gallery.asp CSS can be used to create an image gallery. Image Gallery The following image gallery is created w 阅读全文