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--- wiki2:html_css [2019/02/09 10:49]
alfred [Change others]
+++ wiki2:html_css [2022/06/06 13:12] (actual)
@@ Línea 34: / Línea 34: @@
     ...
 </code>
+===== CSS Selectors =====
+^ Selector ^ Example ^ Example description ^
+| .class | .intro | "Selects all elements with class=""intro""" |
+| .class1.class2 | "<div class=""name1 name2"">...</div>" | Selects all elements with both name1 and name2 set within its class attribute |
+| .class1 .class2 | "<div class=""name1""> <div class=""name2""> ... </div></div>" | Selects all elements with name2 that is a descendant of an element with name1 |
+| #id | #firstname | "Selects the element with id=""firstname""" |
+| * | * | Selects all elements |
+| element | p | Selects all <p> elements |
+| element,element | div, p | Selects all <div> elements and all <p> elements |
+| element element | div p | Selects all <p> elements inside <div> elements |
+| element>element | div > p | Selects all <p> elements where the parent is a <div> element |
+| element+element | div + p | Selects all <p> elements that are placed immediately after <div> elements |
+| element1~element2 | p ~ ul | Selects every <ul> element that are preceded by a <p> element |
+| [attribute] | [target] | Selects all elements with a target attribute |
+| [attribute=value] | [target=_blank] | "Selects all elements with target=""_blank""" |
+| [attribute~=value] | [title~=flower] | "Selects all elements with a title attribute containing the word ""flower""" |
+| <nowiki>[attribute|=value]</nowiki> | <nowiki>[lang|=en]</nowiki> | "Selects all elements with a lang attribute value starting with ""en""" |
+| <nowiki>[attribute^=value]</nowiki> | <nowiki>"a[href^=""https""]"</nowiki> | "Selects every <a> element whose href attribute value begins with ""https""" |
+| [attribute$=value] | "a[href$="".pdf""]" | "Selects every <a> element whose href attribute value ends with "".pdf""" |
+| [attribute*=value] | "a[href*=""w3schools""]" | "Selects every <a> element whose href attribute value contains the substring ""w3schools""" |
+| :active | a:active | Selects the active link |
+| ::after | p::after | Insert something after the content of each <p> element |
+| ::before | p::before | Insert something before the content of each <p> element |
+| :checked | input:checked | Selects every checked <input> element |
+| :default | input:default | Selects the default <input> element |
+| :disabled | input:disabled | Selects every disabled <input> element |
+| :empty | p:empty | Selects every <p> element that has no children (including text nodes) |
+| :enabled | input:enabled | Selects every enabled <input> element |
+| :first-child | p:first-child | Selects every <p> element that is the first child of its parent |
+| ::first-letter | p::first-letter | Selects the first letter of every <p> element |
+| ::first-line | p::first-line | Selects the first line of every <p> element |
+| :first-of-type | p:first-of-type | Selects every <p> element that is the first <p> element of its parent |
+| :focus | input:focus | Selects the input element which has focus |
+| :hover | a:hover | Selects links on mouse over |
+| :in-range | input:in-range | Selects input elements with a value within a specified range |
+| :indeterminate | input:indeterminate | Selects input elements that are in an indeterminate state |
+| :invalid | input:invalid | Selects all input elements with an invalid value |
+| :lang(language) | p:lang(it) | "Selects every <p> element with a lang attribute equal to ""it"" (Italian)" |
+| :last-child | p:last-child | Selects every <p> element that is the last child of its parent |
+| :last-of-type | p:last-of-type | Selects every <p> element that is the last <p> element of its parent |
+| :link | a:link | Selects all unvisited links |
+| :not(selector) | :not(p) | Selects every element that is not a <p> element |
+| :nth-child(n) | p:nth-child(2) | Selects every <p> element that is the second child of its parent |
+| :nth-last-child(n) | p:nth-last-child(2) | Selects every <p> element that is the second child of its parent, counting from the last child |
+| :nth-last-of-type(n) | p:nth-last-of-type(2) | Selects every <p> element that is the second <p> element of its parent, counting from the last child |
+| :nth-of-type(n) | p:nth-of-type(2) | Selects every <p> element that is the second <p> element of its parent |
+| :only-of-type | p:only-of-type | Selects every <p> element that is the only <p> element of its parent |
+| :only-child | p:only-child | Selects every <p> element that is the only child of its parent |
+| :optional | input:optional | "Selects input elements with no ""required"" attribute" |
+| :out-of-range | input:out-of-range | Selects input elements with a value outside a specified range |
+| ::placeholder | input::placeholder | Selects input elements with placeholder text |
+| :read-only | input:read-only | "Selects input elements with the ""readonly"" attribute specified" |
+| :read-write | input:read-write | "Selects input elements with the ""readonly"" attribute NOT specified" |
+| :required | input:required | "Selects input elements with the ""required"" attribute specified" |
+| :root | :root | Selects the document's root element |
+| ::selection | ::selection | Selects the portion of an element that is selected by a user |
+| :target | #news:target | Selects the current active #news element (clicked on a URL containing that anchor name) |
+| :valid | input:valid | Selects all input elements with a valid value |
+| :visited | a:visited | Selects all visited links |
+**Order of style applying**: Styles are applied according to which styles are most specific to the element, and then in textual order for rules that have equal specificity.
+===== Internalization =====
+  * From: https://www.smashingmagazine.com/2014/06/css-driven-internationalization-in-javascript/
+  * {{ :wiki2:css-driven_internationalization_in_javascript_smashing_magazine.pdf |PDF Version}}
+<code html>
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="UTF-8">
+	<style type="text/css">
+	[data-l11n=ru] {
+	    display: none;
+	}
+	:lang(ru) > [data-l11n] {
+	    display: none;
+	}
+	:lang(ru) > [data-l11n=ru] {
+	    display: inline;
+	}
+	</style>
+  </head>
+  <body>
+	<p>
+	  <label>
+	    <span data-l11n>Change language:</span>
+	    <span data-l11n="ru">Изменить язык:</span>
+	    <select onchange="document.documentElement.lang=this.value">
+	      <option value="en">English</option>
+	      <option value="ru">Русский</option>
+	    </select>
+	  </label>
+	</p>
+	<h1>
+	  <span data-l11n>Feedback</span>
+	  <span data-l11n="ru">Обратная связь</span>
+	</h1>
+</body>
+</html>
+</code>
+===== SVG =====
+==== Using img tag ====
+<code>
+<img src = "happy.svg" alt="My Happy SVG"/>
+</code>
+==== Using object tag ====
+<code>
+<object data="happy.svg" width="300" height="300"> </object>
+</code>
+==== Add an svg with code directly ====
+<code>
+<svg width="100" height="100">
+  <circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" />
+</svg>
+</code>
+==== Using a file ====
+It comes from: https://github.com/feathericons/feather#svg-sprite=
+<code>
+<svg
+  width="24"
+  height="24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <use href="path/to/feather-sprite.svg#circle"/>
+</svg>
+</code>
+==== From a reference in code ====
+<code>
+<div>
+  <svg>
+    <use xlink:href="#bike" />
+  </svg>
+</div>
+<svg display="none">
+  <symbol width="24" height="24" viewBox="0 0 24 24" id="bike">
+    <path d="M5,20.5A3.5,3.5 0 0,1 1.5,17A3.5,3.5 0 0,1 5,13.5A3.5,3.5 0 0,1 8.5,17A3.5,3.5 0 0,1 5,20.5M5,12A5,5 0 0,0 0,17A5,5 0 0,0 5,22A5,5 0 0,0 10,17A5,5 0 0,0 5,12M14.8,10H19V8.2H15.8L13.86,4.93C13.57,4.43 13,4.1 12.4,4.1C11.93,4.1 11.5,4.29 11.2,4.6L7.5,8.29C7.19,8.6 7,9 7,9.5C7,10.13 7.33,10.66 7.85,10.97L11.2,13V18H13V11.5L10.75,9.85L13.07,7.5M19,20.5A3.5,3.5 0 0,1 15.5,17A3.5,3.5 0 0,1 19,13.5A3.5,3.5 0 0,1 22.5,17A3.5,3.5 0 0,1 19,20.5M19,12A5,5 0 0,0 14,17A5,5 0 0,0 19,22A5,5 0 0,0 24,17A5,5 0 0,0 19,12M16,4.8C17,4.8 17.8,4 17.8,3C17.8,2 17,1.2 16,1.2C15,1.2 14.2,2 14.2,3C14.2,4 15,4.8 16,4.8Z"></path>
+  </symbol>
+</svg>
+</code>

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