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问题 This question already exists : Styling native tooltip from title=“Tooltip text” [duplicate] Closed 5 years ago . I want to add a tooltip in a text so for example if I have a code like this: <a href="http://google.com" title="The World's Largest Search Engine!">Google!</a> On mouse hover, I want to show that tooltip. Using title is a good way but how can I style to look it better? Any help: JSFIDDLE 回答1: If you wish to create it dynamically using jquery, you may do the following : <a href=

问题 This question already exists : Styling native tooltip from title=“Tooltip text” [duplicate] Closed 5 years ago . I want to add a tooltip in a text so for example if I have a code like this: <a href="http://google.com" title="The World's Largest Search Engine!">Google!</a> On mouse hover, I want to show that tooltip. Using title is a good way but how can I style to look it better? Any help: JSFIDDLE 回答1: If you wish to create it dynamically using jquery, you may do the following : <a href=

问题 This question already exists : Styling native tooltip from title=“Tooltip text” [duplicate] Closed 5 years ago . I want to add a tooltip in a text so for example if I have a code like this: <a href="http://google.com" title="The World's Largest Search Engine!">Google!</a> On mouse hover, I want to show that tooltip. Using title is a good way but how can I style to look it better? Any help: JSFIDDLE 回答1: If you wish to create it dynamically using jquery, you may do the following : <a href=

问题 I'm looking for a way to change the CSS rules of my stylesheet imported in the document. So I have an external stylesheet and some class and div attributes inside. I want to change one of the rules with JavaScript or jQuery. Here is an example : .red{ color:red; } So the idea is to do something in JavaScript and the HTML knows that now the color is another color like this: .red{ color:purple; } But I want to have this rule for every element that I add in the future by the way of append. So if

问题 I have two CSS files in my Sencha touch application. Lets call them A.css and B.css . Based on the URL I want the application to load different CSS. Lets say URL 1 is www.website.com/#1 so for this I would like to load A.css . similarly URL 2 is www.website.com/#2 so for this I would like to load B.css Is it possible to load CSS dynamically based on the URL? 回答1: You can use JavaScript Regex for this. Very easy method: // For www.website.com/#1 if (/www.website.com\/#1/.test(window.location

问题 em adjust size according to screen size, yes but confused does em depend upon browser settings? which settings? or does em depend upon screen resolution? or help what does it depend upon and from where can these elements be changed to observe the difference in sizing when "em" is used 回答1: 1em is equal to the current font size. 2em means 2 times the size of the current font. E.g., if an element is displayed with a font of 12 pt, then '2em' is 24 pt. The 'em' is a very useful unit in CSS,

问题 Is there a way to add stylesheets to the header after including the header file? Say we have this code: class content { public $stylesheets = array(); public function addStylesheets($stylesheets) { if(!empty($stylesheets)) { if(!is_array($stylesheets)) $stylesheets = array($stylesheets); $this->stylesheets = array_merge($this->stylesheets, $stylesheets); } } public function getStylesheets() { $response = ''; foreach($this->stylesheets as $stylesheet) $response .= '<link rel="stylesheet" type=

问题 This question already has answers here : CSS overflow-x: visible; and overflow-y: hidden; causing scrollbar issue (6 answers) Closed 4 years ago . When I set overflow-y on a block, it seems to be affecting the overflow-x property. I've made a JSFiddle with an example of this problem. It seems to be happening in all browsers, so I think I'm missing something that should be obvious. I have two non-overlapping blocks (blue and green) along with a third block (red) with the following requirements

问题 This question already has answers here : CSS overflow-x: visible; and overflow-y: hidden; causing scrollbar issue (6 answers) Closed 4 years ago . When I set overflow-y on a block, it seems to be affecting the overflow-x property. I've made a JSFiddle with an example of this problem. It seems to be happening in all browsers, so I think I'm missing something that should be obvious. I have two non-overlapping blocks (blue and green) along with a third block (red) with the following requirements

问题 I'm trying to make a simple server with node, express and ejs for the template. I've gotten the server to point to the page, load it, and am even able to generate other bits of code with the include statement. However for some reason the style sheet will not load. app.js var express = require('express'), app = express(), http = require('http'), server = http.createServer(app), fs = require('fs'); var PORT = 8080; app.set('view engine', 'ejs'); app.get('/', function(req, res){ res.render(