DOUBLE datatype in MySQL consists of how many floating points

All HTML comment tags are enclosed in what ?

For displaying smaller text, which HTML element is used?

Which of following function defines a linear gradient as a CSS image

The align-items CSS property specifies how an element aligns its contents across its layout in a perpendicular direction.

The _______________ CSS property sets how the last line of a block or a line, right before a forced line break, is aligned.

The seamless attribute effectively renders the iframe as an inline include, which allows the parent document's CSS to affect the contents of the iframe.

The ______________ CSS property sets whether an element's background extends underneath its border box, padding box, or content box.

The scroll-padding-top property defines offsets for the top of the optimal viewing region of the scrollport: the region used as the target region for placing things in view of the user.

Add a shadow to the following text. The shadow should have a color of grey, a blur radius of 4px, an x-coordinate of 5px, and a y-coordinate of 2px.

<p id="shadow">This is a shadowy line</p>