Can IDs have spaces CSS?
Like others said, you cannot use spaces for the id, but you can for the class. You should not use whitespace in the ID element, as whitespace is generally accepted as a selector combinator.
Can element IDs have spaces?
id ‘s value must not contain whitespace (spaces, tabs etc.). Browsers treat non-conforming IDs that contain whitespace as if the whitespace is part of the ID. In contrast to the class attribute, which allows space-separated values, elements can only have one single ID value.
How do I style an ID in CSS?
To use an ID selector in CSS, you simply write a hashtag (#) followed by the ID of the element. Then put the style properties you want to apply to the element in brackets.
What is an ID selector in CSS?
The CSS id Selector The id selector uses the id attribute of an HTML element to select a specific element. The id of an element is unique within a page, so the id selector is used to select one unique element! To select an element with a specific id, write a hash (#) character, followed by the id of the element.
What is an ID attribute?
The id attribute is a unique identifier that is used to specify the document. It is used by CSS and JavaScript to perform a certain task for a unique element. In CSS, the id attribute is used using # symbol followed by id.
How do you choose a class with space?
They are called multiple class selectors. You basically just need to make sure all the class names are connected (no spaces between them) and separated with a dot. Classes will never actually have spaces in their name. In your example, that is actually two classes; boolean and optional .
Can CSS class name have space?
A class name can’t have spaces. When you have a space-separated string in your class attribute, you’re always giving your element several classes.
What elements can you add an ID to?
IDs should be unique within a page, and all elements within a page should have an ID even though it is not necessary. You can add an ID to a new JavaScript Element or a pre-existing HTML Element.
What is class and ID in CSS?
When comparing CSS class vs ID, the difference is that CSS class applies a style to multiple elements. ID, on the other hand, applies a style to one unique element. ID is also special in that you can use a special URL to link directly to an element and it’s used by JavaScript.
What is the syntax for ID attribute in CSS?
The syntax for id is: write a hash character (#), followed by an id name. Then, define the CSS properties within curly braces {}.
How to use the background property in CSS?
The background property is specified as one or more background layers, separated by commas. The syntax of each layer is as follows: The value may only be included immediately after , separated with the ‘/’ character, like this: ” center/80% “. The value may be included zero, one, or two times.
Why is there a space between two classes in my CSS?
Your class CSS is correct. You don’t have a class with a space in it, you have two classes, “paragraph” and “one”. Your CSS properly selects elements that have both of those classes: This is a useful technique for splitting out facets of the element into separate classes that can be combined individually.
Are spaces allowed in the HTML5 id attribute?
The HTML5 spec is more leniant, but spaces are still not allowed (emphasis added): The id attribute specifies its element’s unique identifier (ID). The value must be unique amongst all the IDs in the element’s home subtree and must contain at least one character. The value must not contain any space characters.
What is the background shorthand in CSS?
The background shorthand CSS property sets all background style properties at once, such as color, image, origin and size, or repeat method. This property is a shorthand for the following CSS properties: The background property is specified as one or more background layers, separated by commas.