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Valeri Tandilashvili's Personal Professional Blog
Results: 1024
Error: Duplicate ID
Several 
id
attributes with the same value is not allowed
p:first-letter & p:first-line
They were pseudo-classes in CSS2, but in CSS3 they are introduced as pseudo-elements with double colon (
p::first-letter
& 
p::first-line
)
dl 
<dl> <!-- description list tag-->
  <dt>description term 1</dt>
  <dd>describe description 1</dd>
  <dt>description term 2</dt>
  <dd>describe description 2</dd>
</dl>
video attribute "loop"
Using 
loop
attribute, the video will start playing again, after finishing it
video attribute "poster" 
poster="thumb.jpg"
attribute is used to specify some other thumbnail
attribute "controls" 
<video>
tag should contain 
controls
attribute in order the video player to have controls on the screen
text inside video tag 
<video>this text</video>
will appear on the screen if the browser is not able to display the video in a certain format or if the video fails for any other reason. Example: 
<iframe>Sorry error occured</iframe>
Absolute & relative URLs
Absolute URL example: 
https://google.com
Relative URL example: 
/page2.html
small 
<small>
tag makes text inside it a little bit smaller
big 
<big>
tag makes text inside it a little bit bigger
Results: 1024