media only screen and (max width 500px) não funciona

Media queries allow you to apply CSS styles depending on a device's media type (such as print vs. screen) or other features or characteristics.

5 天前 · The @media CSS at-rule can be used to apply part of a style sheet based on the result of one or more media queries.

What is the difference between screen and only screen in media queries? A Complete Guide to CSS Media Queries · CSS @media Rule｜w3school. tags: ...

only. only 是用來定特殊的媒體類型 <link rel=stylesheet media=only screen and (color) href=modern-styles.css />. 上面是最基本的介紹，更多的Media Queries ...

The keyword 'only' can also be used to hide style sheets from older user agents. User agents must process media queries starting with 'only' as if the 'only' ...

The purpose of using only screen is used in media queries to prevent older browsers that do not support media queries with media features from applying the ...

NOT 的目的在於排除一些裝置媒體，會寫在media query 的字首，下方的例子就是除了彩色螢幕之外的裝置，都套用example.css，這裡要注意一下，NOT 和ONLY 後方都必須先接media ...

In CSS, we use the 'screen' keyword inside the media queries to target all devices with a screen, such as tablets, mobile, desktops, printers, screen readers, ...

The CSS @media rule is used in media queries to apply different styles for different media types/devices.

Media query is a CSS technique introduced in CSS3. It uses the @media rule to include a block of CSS properties only if a certain condition is true.