Is "!DOCTYPE" case-sensitive?
The syntax for a class selector in css is
The ___ selector selects all HTML elements on the page.
Which of the following is not a newly added element in HTML5?
The CSS property border-spacing is given in what units?
In HTML ,tags that include both on and off tag are called
The _________ tag is required in all HTML documents and it defines the title of the page.
a property that allows developers to add rounded corners on the design elements ?
Which CSS property is used to define a delay before the animation starts?
What will happen if the height and width of a video are not set while the video loads?