HTML , CSS

  <! DOCTYPE html > < html lang = "en" > < head >     < meta charset = "UTF-8" >     < meta http-equiv = "X-UA-Compatible" content = "IE=edge" >     < meta name = "viewport" content = "width=device-width, initial-scale=1.0" >     < title > my layout 15 </ title >     < style >         * {             box-sizing : border-box ;             margin : 0% ;             padding : 0% ;         }         #top {             border : 2px solid black ;             height : 100px ;             width : 90% ;             margin : 10px 0px 0px 67px ;         }         #topleft {...

  <! DOCTYPE html > < html lang = "en" > < head >     < meta charset = "UTF-8" >     < meta http-equiv = "X-UA-Compatible" content = "IE=edge" >     < meta name = "viewport" content = "width=device-width, initial-scale=1.0" >     < title > Document </ title >     < style >         #headiv {                   border : 2px solid black ;                   width : 99% ;                   height : 80px ;                         }         #leftbox {                   border : 2px solid black ;                   width : 19% ;         ...

  <! DOCTYPE html > < html lang = "en" > < head >     < meta charset = "UTF-8" >     < meta http-equiv = "X-UA-Compatible" content = "IE=edge" >     < meta name = "viewport" content = "width=device-width, initial-scale=1.0" >     < title > Forms revise </ title >     < style >     #my video {         width : fit-content ;     }     </ style > </ head > < body >     < fieldset >                                                 <!-- the line generated outside the form is fieldset-->         < legend > contact form </ legend >                           <!-- Legend tag i...

  <! DOCTYPE html > < html lang = " en " > < head > < meta charset = " UTF-8 " > < meta name = " viewport " content = " width=device-width, initial-scale=1.0 " > < meta http-equiv = " X-UA-Compatible " content = " ie=edge " > < meta name = " description " content = " This is description " > < meta name = " keywords " content = " html, html tutorials, web development " > < meta name = " robots " content = " INDEX, FOLLOW " > < title > Document </ title > <!-- This is how you include external css --> < link rel = " stylesheet " href = " harry.css " > <!-- This is how you include external JavaScript --> < script src = " harry.js " > </ script > </ head > < b...