Sure this is a too easy question but incredibly I did not understande why this code does not run as desired.
HTML:
<div>
<div class="remember">
<a class="foo">INSIDE text (Should be black)</a>
</div>
</div>
<br>
<a class="foo">OUTSIDE text (Should be red)</a>
CSS:
div:not(.remember) .foo
{
color:red;
}
Here the JsFiddle.
I would like that every item with class .foo OUTSIDE a parent with class .remember will be red, but it seems that "not" clause does not fire.
Where is my error?
Your upper most <div> doesn't have .remember, it passes your selection and so .foo has styles changed. Use the child combinator.
Your selection requires that the parent that isn't .remember is also a <div>, because you haven't given your second .foo a parent, in this case, its parent will be <body>. If you don't make this restriction, it is black in colour, as expected.
:not(.remember) > .foo {
color:red;
}
<div>
<div class="remember">
<a class="foo">INSIDE text (Should be black)</a>
</div>
</div>
<br>
<a class="foo">OUTSIDE text (Should be red)</a>
Here is a working jsfiddle
The a.foo was not inside a div, it is fixed. The div:not(.remember) .foo expects the link to be inside of a div.
<div>
<div class="remember">
<a class="foo">INSIDE text (Should be inherited)</a>
</div>
<br>
<a class="foo">OUTSIDE text (Should be red)</a>
</div>
There was no style for div.reminder .foo, it should specifically inherit from the parent style.
div:not(.remember) .foo
{
color:red;
}
div.remember .foo { color: inherit; }
In the above fiddle, I added the first line which should represent any styles already set to the page (parent containers and etc). Its purpose is to play with it in order to see how the inner content behaves. You can remove it safely, the behavior will be as expected.
The div.remember .foo will simply inherit them rather than force something else. However
a.foo{color:red;}
.remember a.foo{color:black;}
This will cause all .foo elements to be red, unless it is nested inside the parent .remember, it will then be black.
http://jsfiddle.net/92gnt7qt/
Related
So, I am basically having this problem where I am trying to change the font color of all the child elements inside a tag- direct or indirect.
I don't know if it shouldn't be inheriting that property but it is not working in my case. I am putting the style of the parent color:"white" but unless it is a direct child text it is not changing the color.
export const NgoBar = () => {
return (
<div style={{backgroundColor:"red", width: "55vw", margin:"auto", color:"white"}}>
Some text
<div style={{display:"flex",flexDirection:"column",backgroundColor:"red", padding:"10px"}}>
<span>Some different text</span>
<span>From somewhere</span>
</div>
<div></div>
</div>
)
}
This gives the result
It doesn't change the text of the children element - just the direct text of itself. And I find it a bit odd. So just to change the color of all the text inside a parent element, I have to go to all the element and add a personal styling to give it a white text. Just wanna know is it usual ? If yeah then how to turn all the text inside a parent element to white.
In your way you apply color only to the current tag. It's an inline style. See below. Font color is inheritable:
.container {
color: green
}
<div class="container"> Some text
<div> <span>Some different text</span> <span>From somewhere</span> </div>
<div></div>
</div>
Then try this:
.container div,
.container span {
color: green
}
css doesn't select the first class
:not(:first) doesn't work because .callout is wrapped by other container
.callout:not(:first) {
color: red;
}
<div class="d-flex">
<div class="flex-fill">
<div class="callout">
Text A
</div>
</div>
<div class="flex-fill">
<div class="callout">
Text B - only this set color red
</div>
</div>
</div>
Select the .callout element whose parent is not the :first-child of its parent element
.flex-fill:not(:first-child) .callout {
color: red
}
Or just revert the logic and target the :last-child
.flex-fill:last-child .callout {
color: red
}
Or target the .callout inside the second parent element, no matter how many .flex-fill siblings you have
.flex-fill:nth-child(2) .callout {
color: red
}
Codepen example
Anyway, I don't recommend to use this kind of selectors or to rely on a specific markup structure because this approach can easily cause maintainability problems as the code grows and, if possible, I'd suggest to place instead a specific class for this purpose on the right element.
Essentially what I am trying to do is have one element react as the hover state of a different element.
.page-template-page-services-new .imgBlock:hover { .page-template-page-services-new .ButtonService {color: #6395ce; background-color: #fff; } }
Not currently working - is this a thing? If not, how might I accomplish it. I know the selectors are correct, they work independently.
What I think you are referring to is that you've seen something akin to
.selector-one{
//style definitions
.selector-two{
//other style definitions
}
}
This comes from pre-processors such as SCSS (Sass) or LESS, I'll assume you can do a quick google on those.
For the other part of your question, yes, you can style an element differently if it's parent container or even a sibling is hovered.
Example
.container-hover:hover .red-on-hover{
background-color:red;
}
.sibling-hover:hover + .sibling-hover{
background-color:blue;
}
<div class="container-hover">
<h3>Other Text</h3>
<div class="red-on-hover">Background will turn red on hover</div>
</div>
<p class="sibling-hover"> When I am hovered, my sibling will be blue</p>
<p class="sibling-hover"> Blue? Blue</p>
For the sibling hover, please note that if you added more .sibling-hover elements that all but the first one would be able to turn blue if you hovered over it's immediately prior sibling.
It can work if they have a parent child relationship.
.page-template-page-services-new {
background: #ccc;
}
.page-template-page-services-new .imgBlock:hover .ButtonService {
color: #6395ce;
background-color: #fff;
}
<div class="page-template-page-services-new">
<div class="imgBlock">
<img src="http://placehold.it/100/100" alt="">
<div class="ButtonService">
<p>
This is a test
</p>
</div>
</div>
</div>
I am learning Selectors and not.
What I am trying is to PUT the text of the span in color red BUT NOT the text of the link, combining both. It is just to learn.
My HTML code
<div>1
<p>2
<span>Here red
<a>Here NOT red
</a>
</span>
<div>3
</div>
</p>
</div>
What I am trying to do with CSS
div p span:not(:nth-child(0)) {
color: red;
}
/* Or */
div p span:not(a) {
color: red;
}
Anyone can help me? I do not want to set another rule for A. It is just to learn as I said.
Thanks!
There were a couple of issues with your page. One is that you had an extra div closing tag. Second, the a tag defines a hyperlink, so it should have an href attribute. Your a tag had no attributes.
Take a look at this snippet
span:not(a) {
color: red;
}
<div>1
<p>2
<span>Here red
Here NOT red
</span>
</div>
</p>
</div>
Alternatively, you could just close the span tag before the a tag, and then just select the span element.
Would you please explain me the difference between these two CSS classes syntax:
.element .symbol {}
and
.element.large .symbol {}
I don't understand the difference between the two. The first line indicates two different classes to which are applied the same styles. But about the second, what's the meaning of '.large' which is written attached to '.element'?
.element .symbol
means .symbol inside .element
.element.symbol
means .element that has the class symbol as well.
So,
.element.large .symbol
means .symbol inside .element that has the class large as well.
I think you got a slight misunderstanding what the first one means.
.element .symbol {}
Means that those CSS settings are applied to any HTML element with the class .symbol that is inside an element with the class .element.
<div class="element">
<div class="symbol" />
</div>
In this example your first CSS entry would affect the <div> tag in the middle.
Your second example means that the first class requires two classes to be affected. Other than that it's equal to the first one.
<div class="element large">
<div class="symbol" />
</div>
So if the HTML looks like this, the CSS values will be applied to the inner <div> tag as well.
If you want to set CSS tags that apply for multiple classes separately then you need to split them up using a comma. So it looks like this:
.element, .symbol {}
Edit: By request the link to the documentation of the CSS selectors.
Using
.element.large
refers to an element with both classes:
<div class="element large"></div>
rather than a descendant of an element:
.element .large
meaning that in:
<div class="element">
<div class="large"></div>
</div>
only
<div class="large"></div>
is 'receiving' the styles.
Basically, being separated by a space implies two elements with a descendant relationship.
You would use .element .symbol this where you have an element inside of another element. For example:
<div class="element">
<i class="symbol"></i>
</div>
If down the road you wanted to differentiate some divs, you could add an additional class to target only those that differ, and target it with .element.large .symbol. So, for example:
<div class="element large">
<i class="symbol"></i>
</div>
In your second example, the first part of the selector is simply an element with two classes, as in <span class="element large"> or <span class="large element">.
In general, each part of a selector applies to one HTML element.
table[border].clname means a table with a border attribute and a class of clname, while table [border] .clname means an element with class clname, in an element with a border attribute, in a table.
(Edit: well, I say "one HTML element", but of course you can have more than one table that this applies to. You understand.)
Without whitespace, you are simply more specific with the selector. Because classes can appear several times in the html dom. But two or more classes in one element is rarer and therefore more precise.
Selectors with a whitespace (.a1 .b2) say search for the class a1 and see if there is a child or child-child element with the class b2 in this element.
An even higher degree of accuracy can be achieved with the >selector (.a1 .b2 > span). This states that only span elements should be taken into account which are direct children of the class .b2 located within an element with the class a1.
.a1 .b1 {
color: green;
}
.a1.a2 .b1 {
color: red;
}
.a1.a2 .b2 {
font-style: italic;
font-weight: bold;
}
.a1.a2 .b2 > span {
color: orange;
}
<div class="a1">
<div class="b1">Hello France</div>
<div class="b1">Hello Spain</div>
<div class="b2">Hello Sweden</div>
</div>
<hr/>
<div class="a1 a2">
<div class="b1">Bye France</div>
<div class="b1">Bye Spain</div>
<div class="b2">
Bye
<span>World</span>
</div>
</div>