How to First look at html and css

in the case of HTML, markup commands directed to you website based content relay the structure of the document to the browser software and where appropriate, indicate how you want the constant to be displayed html view. For example html, if you want to display a section of text in boldface, you surround the corresponding text with the boldface markup thas, <b>amd>/br> as shown

Demo: <b>This is Impotent Text </br>