Follow us on:

Qualified selector css

qualified selector css Custom CSS in skins In order to avoid the base Hydra skin overriding custom CSS styles, a more specific selector may be needed. i One really basic way to make your CSS much nicer to work with is to avoid (over) qualified selectors. g. (Separator tabs get the . btn) for instance. js and replace it with following code, which is provide below Figure 1. Heading should only be defined once; The good part about any of these rules is that CSS Lint gives you a full explanation of each of them and, in most of the cases, recommendations on how to improve your code and keep the same functions, but avoid the specific mistake you made. Let’s take a look at the HTML and CSS below: The CSS child selector has two selectors separated by a > symbol. After clearing the written part of the exam candidates appear in the Psychological test and viva voce test 300 marks. Select your year in high school for the 2019-2020 academic year. Do not use too many web fonts. The CSS syntax is a list of rules, which associates selectors and properties. The following colleges, universities, and scholarship programs use CSS Profile and/or IDOC as part of their financial aid process for some or all of their financial aid applicants in the populations listed below. CSS selectors used in Eclipse are identifiers, which relate to widgets or other elements, for example predefined pseudo classes. Qualified Coding Tutor - 100% Satisfaction Guaranteed! < image 1 of 1 > QR Code Link to This Post. Be aware that overly nested rules will result in over-qualified CSS that could prove hard to maintain and is generally considered bad practice. If it could not be able to execute carefully it will be termed as over-qualified CSS. Here are a few options: Incoming Credits — Spring 2020. Unless there are real, actual rendering speed problems caused by CSS rules, I would tend to obey some common-sense rules (e. This list is also available grouped by category and by specification, where you can find examples of each selector. And we may also see an attribute selector that's qualified with an element type. We can’t now use that. com for more information on strength and conditioning jobs, strength and conditioning internships, continuing Free vector icon. Because of community support, our organization has saved over 60,000 lives in the past 10 years. com and follow these steps: The first post that caught my eye was about CSS Qualified Selectors by Shaun Inman. This is useful when you want to set a style for of all the elements of an HTML page or for all of the elements within an element of an HTML page. These rules have a prelude consisting of a CSS selector, along with a data block consisting of various rule declarations. Learn more about becoming a strength and conditioning coach with the NSCA certification! Visit NSCA. Basic Syntax of Element Selector: CSS selectors may be declared using an escaped colon "\:" to describe the fully qualified names, e. CSS gets evaluated from right to left. See full list on developer. Giraffe Academy is rebranding! I've decided to re-focus the brand of this channel to highlight myself as a developer and teacher! The newly minted Mike Dane Disallow qualified headings. See full list on webkit. When used to style links, :hover is often paired with CSS lint found 0 errors and 0 warnings. When an aspirant is preparing for the exam and wants to know the procedure and future happenings of this exam, he gets insufficient information because of lack of available sources for them. The grouping selector is used to select all the elements with the same style definitions. To use your existing data context, select at least one file to override. 99 per week. There are a handful of benefits to keeping CSS selectors as short as possible. Accommodations - If you require assistance due to a disability applying for open positions please submit a request via this Accommodations Request Form. rtsLI and . The idea is to nest your CSS selectors in such a way as to mimic your HTML hierarchy. While it provides an excellent method for reducing the amount of code you need to write, it can also lead to over-qualified CSS if not executed carefully. Copy link to clipboard. ”) and an ID selector is a name preceded by a hash character (“#”). Syntax: ### CSS type selectors at runtime Since the compiler translates namespace qualified type names to fully qualified ActionScript class names, there is no concept of namespaces at runtime. Decide on a new color and express this color as a hex code. As you have used the different CSS selectors that only target either a class or an ID or a single element for applying the styles. From within your page in the editor, select Custom CSS from the Settings menu. rtsLink classes. A qualified selector can only contain one <. Classitis has it’s own performance issues. Qualified selectors: a. URI system implements URI parser and constructor, with support for UTF-8 characters, IPv6 addresses and query parameters handling. org Now the style sheet we're gonna use is the selectors. Related: T252447: Notify gadget users to update Vector scripts and styles. Avoid using descendant selectors, especially those that specify redundant ancestors. An asterisk can also be followed by a selector. Lenders will typically run a soft inquiry on your credit to determine if they can make you a pre-qualified offer. Feel free to come back after finishing the rest of the CSS sections. ), but otherwise focus on clean, well structured CSS. a) to a class (e. The benefit of this is that you can have the same HTML element, but present it differently depending on its class or ID. FAFSA and CSS Profile are both financial aid applications. The element immediately to the left of the < is the target of the selector, everything after is the qualifier. An HTML element is a type of HTML (Hypertext Markup Language) document component, one of several types of HTML nodes (there are also text nodes, comment nodes and others). These are all things that should be avoided at all costs. [vague] HTML document is composed of a tree of simple HTML nodes, such as text nodes, and HTML elements, which add semantics and formatting to parts of document (e. nav {} than ul. Working Draft: Renames it the "next-sibling" combinator. This selector is used to set the style to every element that is not the specified by given selector. Validate your CSS files using our free css validator. This is so the skins can use HTML5 elements. We can divide CSS selectors into five categories: Simple selectors (select elements based on name, id, class) Combinator selectors (select elements based on a specific relationship between them) Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. Sometimes you need to add some margin or padding to element without writing a custom CSS selector. A CSS namespace aware client will match element type and attribute selectors based on the name's local part. There are a few ways to create a qualified search: Select specific fields on the Advanced Search Screen (Guided Style) Specify field codes on the Basic Search Screen; Specify field codes on the Advanced Search Screen. a. theglobeandmail. The second selector above is a child combinator selector. rtsLI class on an LI element, but have no A element with the . A series of examples are used to illustrate the use of selectors (the key to the power of CSS). Apply now to join SelectMedical. Disallow universal selector. The money we receive from programs like AmazonSmile help us to provide care for a population of animals that need extra resources while under our care. In this example class selector ". The WT. Sass will let you nest your CSS selectors in a way that follows the same visual hierarchy of your HTML. In CSS, selectors are patterns used to select DOM elements. Need help with Java or Web Development (Javascript, HTML, CSS Posted 16 minutes ago. If the pattern or scheme used in the CSS become more obtuse or difficult to choose a selector you may need to reach out for technical assistance from the support team. * An interface that acts as the parent interface for rules such as, @supports, @import, @viewport, etc. This enables the mixing of CSS styles for JavaFX and for other purposes (such as for HTML pages) into a single style sheet. In this case, you can style a particular element by just selecting that element and defining the style required for that element. ) symbol is used, for id attribute # symbol is used. Set margin or padding, the side to apply the spacing, and lastly the size of the spacing (m,p)-(t|r|b|l|x|y|a)-(0,1,2,1. The above CSS code set font size =14px to the whole HTML document. If two or more web elements have the same HTML tag and attribute value, the first element marked in the page source will be identified. [attribute*=”str”] Selector: The [attribute*=”str”] selector is used to select that elements whose attribute value contains the specified sub string str. These are the classes applied to the LI and A elements that represent a rendered tab. If the lender decides that they can’t make you a pre-qualified offer, they may send you a letter or email explaining why you weren’t pre-qualified. js plugin of Bootstrap framework, you may create tooltips for different elements like buttons, links, text boxes etc. 1) CSS-performance: I never considered -until now- using “qualified attribute-selectors with value” like [role=button] because of its performance. Heed this warning before you decide to put all your liquid assets in annuity products to "hide them 368 candidates pass CSS exam, 238 qualify for service Only 3,02% of ‘potential’ candidates pass competitive examinations for the country’s civil services News Desk April 27, 2016 Nesting is a good method of reducing the code in sword braces. CSS Lint warns when a rule with a CSS gradient doesn't have gradients for all supporting browsers. Long, over qualified selectors reduce performance because they force the browser to render each individual selector type from right to left. Other namespace prefixes used in the XML that are mapped to the same URI will not match as expected unless additional CSS Over-qualified CSS selectors of portals in Wikimedia skins are going to changed as part of T66477: Vector: Use semantic HTML5 elements where applicable. Selectors using the qualified name will only match XML elements that use the same prefix. 5,3) Utility . s. If you have a rule like body div#content p { color: #003366; } then for every element—as it gets rendered to the page—it will first ask if it is a paragraph element. Disallow duplicate background images. When using this tool, you'll find errors and warnings that may need to be fixed in your CSS file. If you are a React Developer- Team Lead with experience, please read on!We lead the pack in…See this and similar jobs on LinkedIn. The syntax that he’s proposing looks something like this: a < img&#91;/js] Which says "Find me all a elements that have an img element inside of them. Select Add. Qualifying selectors a) decreases selector performance, b) inhibits the potential for reusing a class on a different type of element and c) it increases the selector's specificity. To select bar, we use foo>bar so it makes a lot of sense to select foo using bar<foo. To make minor CSS modifications to a template item, use Chrome DevTools to inspect the page and discover the item’s fully qualified name and CSS class. For example to represent a class attribute value dot(. css" extension (e. Disallow @import. Posting . class or #id or *) and a declaration block. The universal selector is an asterisk (*) and it acts like a wildcard and matches all element types in an HTML page. So don’t we trade in selector-performance against classitis? Or do you consider the one more important then the other? css: String: The CSS for your image. The W3C CSS2 specification sections are individually referenced. red selects all elements with the An asterisk ( i. What you can do now: Add Elements To Your ClickFunnels Page If you have any questions about this, please contact our support team by clicking the support icon in the bottom right-hand corner of this page. When using attribute selectors, don't use the complex equality operators to avoid performance penalties. Non-standard properties are prefixed with either swt- or eclipse-. com. nav {} or a. css file with the following markup Select the country where your parents currently live. While specifying CSS Selector in the target text box of Selenium IDE, always remember to prefix it with “css=”. The CSS Profile is used primarily by private schools and some state universities to award institutional grants and scholarships to pay for college. . CSS selectors are used to "find" (or select) the HTML elements you want to style. So selectors declared with the fully qualified name will not match (unless there is no namespace prefix in the fully qualified name, of course). Disallow selectors that look like regex. You should have full command on your subjects. Thus Total marks are 1500. Remember that for the GitHub “dif” pages in question here, the developers were able to remove thousands and thousands of elements and simplify kinda nasty selectors (such as tag-qualified Caroline received her B. "*" ) is used to denote a CSS universal selector. Disallow universal selector; Disallow unqualified attribute selectors Disallow qualified headings; Heading should only Disallow qualified headings. All other style definitions in the CSS files are qualified by this class. At Knox, she served as President of her sorority, Alpha Sigma Alpha, and participated in a variety of computer science challenges and game design projects. ipd-imageInfo div. I just wouldn’t expect huge gains on an “average” website. g. Identifying fields in which to search is known as a "qualified" search. js, written by yours truly. Launch preferred application and compose a new. This <ul> element has the ruInputs class applied. In this chapter, you will learn about how to implement CSS attribute selectors. Let's see the CSS code without group selector. The runtime Flex style subsystem will now only match against fully qualified ActionScript class names. Modifying the CSS file. CSS 2 included a number of new capabilities like absolute, relative, and fixed positioning of elements, support for aural style sheets and bidirectional text, and new font properties such as shadows. css file. The following example shows a CSS file which defines a styling for an Eclipse application. To obtain your payment receipt, visit mysubscription. The College of St Scholastica will accept any P/CR (or pass variation) from all regionally accredited colleges for the spring 2020 semester only. 1) Install this extension to your Edge browser. The FAFSA can also be used for institutional aid, You can also define your own selectors in the form of class and ID selectors. A selector is represented using a symbol and the attribute value name. mozilla. Commas are used to separate each selector in grouping. army logistics, g-4 product hip-pocket guide gcss-army cheat sheet 1c - fill as requested, sub or reject if item not available 1j - fill as requested or reject if item not available CSS is a highly competitive and prestigious exam for which thousands of aspirants compete every year but only a few succeed. By qualifying I mean prepending an element name (e. e. Click Save and Continue. Copied. At 3:57 in Guil says "we may also see an attribute selector that's 'qualified' with an The tooltip plugin of Bootstrap Framework By using the Tooltip. Nevertheless, CSS also allows making it incredibly easy for targeting more than one element at a time to allow for specific CSS properties and rules. Here is an example of using selectors. Quick, Easy, powerful CSS Selector generation. Use the default stylesheet to identify the class selector controlling button color. CSS Selectors used to select an specific element based on its name, id, class or even more. Symbol varies differently for each attribute type. The first selector above is a decendant selector. I will show you how to create simple and customized tooltips with online examples in this tutorial. An asterisk can also be followed by a selector. Grouping selector is used to minimize the code. btn) so that a ruleset gets specific to a combination of an element selector and a class selector (e. CSS exam is designed to assess your aptitude, educational ability and proficiency in various areas. rtsLink class). ipd-tag compared to a shorter definition such as div. The most common type of CSS rule is a qualified rule. Click Save and Continue. button {} or div. At writing, Level 4 is in draft status and many of the new selectors have limited support in browsers. ipd-tags span. > create-react-app react-multi-select-checkbox After finishing setup project, then i have to remove generated code from App. In the following code, a and h1 are selectors: a { color: black; } h1 { font-size 24px; }Cheat sheet of common selectorshead selects the element with the head tag . You must select at least one file to add your data context. Download thousands of free icons of commerce and shopping in SVG, PSD, PNG, EPS format or as ICON FONT In the Normal CSS class field, enter the name of the class (in this example = test) that will be applied for the normal (roll-out) state. in Computer Science from Knox College. The CSS :hover selector is one of many pseudo-classes that are used to style elements. Since it is used to prevent a specific items from list of selected items. g. When using with url it will be injected into the page. Shaun Inman wrote a quick post on what he’s calling “ CSS Qualified Selectors “. Catalog Number Notes Type Page 1 of 5 LED Strip Light CSS FEATURES & SPECIFICATIONS INTENDED USE — Available in several color temperatures, lumen packages and lengths. content {}. CSS Selectors. 5) CSS Group Selector. We’ll talk more about CSS selectors in the next topic. The first selector in the CSS file sets the "color" attribute for the . To find the CSS selector of a page element: CSS - CSS attribute dollar selector - The css attribute dollar selector consists of a selector (such as . This only impacts the Vector skin. Please check schools’ websites or contact the institution for more information. Qualified applicants are considered for employment, and employees are treated during employment without regard to race, color, religion, national origin, citizenship, age, sex, sexual orientation, gender identity, marital status, ancestry, physical or mental disability, veteran status, or any other characteristic protected under applicable law. CSS Validator. CSS3 adds complex attribute selectors such as ~= that are slow. For example, the rule body ul li a { } specifies a redundant body selector, since Selectors Level 4 The definition of 'next-sibling combinator' in that specification. Caroline is proficient in Java, C, Python, HTML, CSS, Ruby, Prolog, Assembly, Object-Oriented Programming & Agile Methodologies. It can also be used to declare a (non-prefixed) default namespace. Note that abusing the nesting capabilities in Sass can result in over-qualified or overly-specific CSS, that can be hard to maintain and is generally considered bad practice. GCSS-ARMY SMART BOOK (Release 3. There are 6 compulsory subjects of 100 marks each and the candidate has to select subjects of total 600 marks among optional subjects. Your fallback (s) could encompass writing multiple selectors, including qualified selectors (class selectors prefixed by element type). Google Chrome Developer Tools. The closing brace should be flush left, using the same level of indentation as the opening selector. See full list on w3. button, ul. , make text bold, organize it into paragraphs, lists and At CSS the ways to transfer in credits are as limitless as the amount of credits you can transfer in. This means it will ID selectors qualified by class and/or tag selectors; Class selectors qualified by tag selectors (when a class is only used for one tag, which is a good design practice anyway). 2) Inspect an element on your page or select an element on the "Elements" page of the Edge Browser Dev tools. Manually: The CSS Syntax Syntax elements. Performance. Qualified selectors are bad because they reduce efficiency (more checks than we really need) but—more importantly—because they tie us to specific elements. url * String: The fully qualified URL to a public webpage. Use our CSS Selector Tester to demonstrate the different selectors. Keep in mind that for any of these selectors you can combine the 3 main types of selectors. regex-selectors Avoid selectors that look like regular expressions. One case that I often come across is when foo is a parent to bar. Such as https://htmlcsstoimage. When passed this will override the html param and will generate a screenshot of the url. "html\:h1" will match <html:h1>. " In creating CSS styles one approach seems to be a fully qualified style such as #pnlImage div. Basic understanding of HTML, CSS, and JS/JQuery. CSS does not have the same hierarchy by default, but Sass allows you to nest selectors to follow the same visual hierarchy as your HTML. Heading should only be defined once. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. media-bottom : Add this class the div wrapping the media object image to align it to the bottom: Media Object CSS lint options for the modern browser(s). As the CSS Grouping Selector. stylesheet. * CSSRule is part of the CSS Object Model. Enter the ZIP code of your residence on September 13, 2019. That is to say, it’s better to write. The list item could be buried three levels deep within other nested lists, and this selector will still match it. You may click on any image or link below the […] Nesting is a double-edged sword. Select "I receive Qualified Remodeler magazine" above, and enter all 10 digits with no spaces into the mailing label input If you are experiencing technical difficulties and/or would like to comment on this site, please call toll free 866-932-5904 or local 847-559-7583 or send us an email: qur@omeda. quite easily. It selects similar type of class name or attribute and use CSS property. When you have errors in your CSS, there is a good change the webpage you are viewing will not render correctly. Enter your high school name by clicking on the High School Search a u. Select your data context class. 0) 7 e JULIAN DATE CALENDAR: Day Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Day 1 1 32 60 91 121 152 182 213 244 274 305 335 1 2 2 33 61 92 122 153 183 214 245 275 306 336 2 Consumer Beware: Non-qualified annuities DO get counted on the CSS Profile, but not the FAFSA. The Globe and Mail Qualified Canadian Journalism Organization (QCJO) designation number is : Q2300382. You should be a sharp minded, intelligent and well informed student to qualify the CSS Exam. Disallow units for 0 values. Pre-qualified offers are not binding CSS CSS Selectors Selectors - Beyond the Basics Attribute Selectors. Change the color to green, so that 'CSS' in window: tests whether the API is available as the CSS object. GitHub Gist: instantly share code, notes, and snippets. Papyrus Stylesheets are stored in text files with the ". Disallow overqualified elements. Ideal for use The problem here is that there is no way to select foo. The amount of code you write will be reduced in Nesting. The CSS @namespace at-rule declares a namespace prefix and associates it with a given namespace name. Once declared, any namespace prefix can then be used in namespace-qualified names, such as in XML or SVG. class or #id or *) and a declaration block. Our maximum stand-alone digital subscription rate is $6. * wildcard also known as containing wildcard. Then use the information to override the item’s standard CSS with your custom CSS. nav {}. g. Step 10: Provide information about your academics. 'supportsCSS' in window: tests whether the API is available using supportsCSS() instead; Try atsupports. In this case, the style would only apply to anchors that contain an image. Disallow unqualified attribute selectors. It will select any list items that are anywhere underneath an unordered list in the markup structure. com Certified Strength and Conditioning Specialists® (CSCS®) are professionals who apply scientific knowledge to train athletes for the primary goal of improving athletic performance. Finding the selector of an element in Chrome when using the built-in Developer Tools. To create a new user context and possibly create a custom user class for Identity: Select the + button to create a new Data context class. This extension makes finding the right CSS selector on a web page much quicker and easier than digging through the HTML. nav Pitfall: Overly generic class names Similar to the pitfall of styling a component based on context, it’s common to ‘scope’ a component’s parts under the parent component using a descendant selector: Doing so generally produces more specific results. Recommendation: CSS Level 2 (Revision 1) The definition of 'Adjacent sibling selectors' in that specification Kitty Giraudel on Feb 26, 2015 There is no easy way of qualifying a selector from within its associated ruleset. XPath: XPath is a language to query XML documents. Selectors Level 3 The definition of 'Adjacent sibling combinator' in that specification. This term became more prominent with the rise of CSS3, but is still relevant when handling earlier versions of the standard. org CSS Selectors: CSS is mainly used to provide style rules for the web pages and you can use it for identifying one or more elements in the web page. Each selector should be on its own line, ending in either a comma or an opening curly brace. S. Within that top-level <div> element is an unordered list <ul> element, that handles the layout of the RadAsyncUpload control. Getting pre-qualified won’t hurt your credit. 04 Data Attribute (qualified with value) 05 Multiple Data Attributes (qualified with values) 06 Solo Pseudo selector 07 Combined classes 08 Multiple classes 09 Multiple classes (using child selector) 10 Partial attribute matching 11 Nth-child selector 12 Nth-child selector followed by nth-child selector 13 Insanity selection (unlucky for some) The Element Selector is the most basic CSS Selectors. Feb 24, 2016. g. In the CSS, a class selector is a name preceded by a full stop (“. g. The selector in CSS focuses on the HTML components which we need to style it in the website or webpage. Experience designing social products. This post wasn’t actually about CSS performance, but in one of the comments David Hyatt (architect for Safari and WebKit, also worked on Mozilla, Camino, and Firefox) dropped this bomb: Cannot resolve namespace qualified type 'List' in CSS selector 'List' Flex Problem tanvira5454192. css). The ID selector didn’t need to be qualified with a tag selector, too, and since the list is a direct descendant of the div, the child selector (>) could’ve been used. The second selector indicates the child element CSS will style. However, you can also use different selectors on different attributes of HTML elements. Experience with pattern libraries. For convenience a list of the CSS2 property short forms is provided and some of our experiments, workarounds and CSS 'wheezes' . It can be used on all elements, not only on links. Add your own custom CSS. button class on an <input> or a <button>, for example. org A qualified selector is one like ul. For this, select the CSS files, right click and select "CSS Theme" Editing a StyleSheet. FAFSA targets federal aid and CSS Profile assistance offered by the state and the school itself. As with other pseudo-classes, :first-child and :last-child have the fewest side effects when qualified by a simple selector. It utilizes recursive descent parser combinators to provide a concise implementation that is close to the definition in RFC 3986 Uniform Resource Identifier (URI): Generic Syntax. Migration notice. In CSS, selectors are patterns used to select the element(s) you want to style. To learn more about inspecting and editing pages and styles, refer to the Google Chrome's DevTools website. The selector in CSS focuses on the HTML components which we need to style it in the website or webpage. The W3C recently posted an update to the working Selectors Level 4 spec, and there are many useful updates to be found. The main reason to nest the CSS Selector is to imitate your HTML hierarchy. Consider the following example: One of the most useful aspects of CSS Variables is that web developers don’t need to keep rewriting, calculating, and hard-coding values as magic numbers and colors. g. Austin Pets Alive! thrives on community. Property-value pairs should be on their own line, with one tab of indentation and an ending semicolon. 1 CSS 2 built on CSS 1 and, with very few exceptions, all valid CSS 1 style sheets are valid CSS 2 style sheets. Let’s take a look at how this could be readdressed to give us some more flexibility. To facilitate this, an extra class is added to the body tag when a skin is active which is created with the "cs" namespace and a lower-cased version of the category in question. ipd-tags span. In the adjacent sibling case we use a plus sign to go forward: foo+bar so it would make sense to use a minus sign to go backward: bar-foo The JavaFX CSS support and extensions have been designed to allow JavaFX CSS style sheets to be parsed cleanly by any compliant CSS parser, even though it might not support JavaFX extensions. Mobile app design, analytic / infographic design, icon design. CSS is one probably the best bridge between web designers and developers so updates to the CSS spec are very exciting. :hover is used to select elements that users hover their cursor or mouse over. The CSS selector is always the best possible way to locate complex elements in the page. CSS - id selector - The css id selector consists of a selector (such as . Earned grades of D, D- and F will not Simpler HTML and simpler CSS selectors can make a difference in page-rendering speed. CSS, on the other hand, doesn't. These include minimizing specificity, allowing for better inheritance and portability, and improving efficiency. CSS Attribute Selector - The CSS selector is usually used to apply a style to HTML elements using classes and IDs. To determine whether a CSS rule applies to a particular element, it starts from the right of the rule and works its way left. The sequence of the above artifacts is inalterable. Save Page. Selectors, Grouped by Spec ; Full list of CSS selectors, includes Selectors Level 3 and Selectors Level 4. 2 URI. The first selector indicates the parent element. In the Roll Over CSS class field, enter t Center Support Specialist/Trainer (CSS) jobs in your area. The following shows a basic navigation style that uses nesting: Step 1: Add Custom CSS. That means that any selector mentioned below can usually have its place swapped out for a different kind. not being wasteful with global selectors > * style, not using "overly qualified selectors" like form#UserLogin { }, not using too many rules in general . mppw-btn" and property "background" have been identified. qualified selector css