1/ The sizes attribute will resize an image even if there is no CSS applied to it. If there is a CSS rule specifying image size that conflicts with the value of the sizes attribute, the style rule wins (i.e., it overrides the sizes value).
2/ The following creates a link to the index file of the current website. This link is located on a page that is two directories below the index file.
[Back to the home page]
3/ The following creates a link to the DIY Network website:
DIY Network
4/ The following creates a link to the About page for the current site:
About the site...
5/ Not all img element need to have an alt attribute.