I have experience with applying the same styling to multiple classes by using a comma between the class names. However, I am unsure about the following code:
.navbar-inverse .navbar-toggle { background-color: #333; }
I have experience with applying the same styling to multiple classes by using a comma between the class names. However, I am unsure about the following code:
.navbar-inverse .navbar-toggle { background-color: #333; }
The structure of this element will have a direct effect on the styling of the .navbar-toggle component within the navbar-inverse section.
The area between segments of a CSS selector is known as the descendant combinator:
ancestorSelector descendantSelector { rules }
A CSS selector that utilizes this is referred to as a descendant selector. Keep in mind that any amount of white space functions like a single space.
In contrast, the symbol > signifies a parent-child relationship and is labeled a child combinator.
parentSelector > childSelector { rules }
A CSS selector using this is called a child selector.
Consider this demonstration:
/*
this will impact any element with the class "b"
within any element with the class "a",
regardless of its nesting level
*/
.a .b {
color: blue;
}
/*
this will only impact elements with the class "b"
that are direct children of any element with the class "a"
*/
.a > .b {
color: red;
}<div class="a">
<div class="b">
This is the direct child of <code><div class="a"></code>.
<div class="b">
This is <strong>not a direct child</strong> of <code><div class="a"></code>.
</div>
</div>
<div class="c">
<div class="b">
<hr />
Not affected by <code>.a > .b</code>, but matches <code>.a .b</code>.
</div>
</div>
</div>Applying background color to the "navbar-toggle" class element within a container with the class "navbar-inverse."
navbar-inverse acts as the main container, while .navbar-toggle is nested within it.
Creating a cascading structure of parent and child classes involves organizing your code in a specific manner. In the example below, notice how the first occurrence of .navbar-toggle has a background color applied, but the second one does not.
.navbar-inverse {
background-color: #ccc;
padding: 1em;
}
.navbar-inverse .navbar-toggle {
background-color: #333;
color: white;
}
.navbar {
background-color: #ccc;
padding: 1em;
}<div class="navbar-inverse">
<div class="navbar-toggle">
This element is styled differently
</div>
</div>
<hr>
<div class="navbar">
<div class="navbar-toggle">
This one remains unaffected.
</div>
</div>.navbar-inverse > .navbar-toggle { /This specific style is only applied to first level children/
}
.navbar-inverse .navbar-toggle { /This style is applied to all child elements/
}
This data illustrates the presence of two distinct classes.
The classes are .navbar-inverse and .navbar-toggle
Specifically, .navbar-toggle is a child element of .navbar-inverse
Additionally, the CSS styles will only be applicable in cases where .navbar-toggle is a direct child of .navbar-inverse within the HTML structure.
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