Html5&css

HTML Full name Hyper Text Markup Language (Hypertext Markup Language)

HTML elements are an important part of an HTML document, and an HTML document consists of a large number of elements

The format of HTML is:

<! DOCTYPE html>

    <meta charset= "UTF-8" >
    <title>marvel studio</title>
    
<body>

</body>

where <! DOCTYPE html> is used to inform the browser which version of HTML is currently in use. The head tag is also called the document header, which is the first child element of HTML, and the document header can contain some other elements.
For additional information describing the page, the contents of the head are not displayed on the page, and the title caption is displayed on the browser's title bar. The BODY element is also called the document body, and all the courseware content in the Web page is placed within that element.

Elements common in HTML include <p> Wrap, <pre> pre-formatted text, <span> span multiple characters/text, <b> font bold, <i> italic, <q> small segment reference, <ol > have sequence lists, <dl> custom lists, <ul> unordered list,
<li> list, <em> italic, <br> wrap ....
To add an Insert picture 
Insert video <video src= "" controls>
<video src= "" Controls autoplay> video AutoPlay
<video src= "" Controls Autplay loop> loop playback

Html5&css