Border-width in percentage

Border width css

.element {
  border-width: 2px;
}

Border width css

element {
	border-width: 10px;
  	/* Or use shorthand border property */
  	/* width style colour */
  	border: 10px solid black;
}

Border-width in percentage

You can not set Border Width in the Percentage its the rule 
But you can able to do this just by wrapping into a new div 
and in most of the cases you did not need that

Similar codes

0 vote445 views2 answers
Bootstrap 5 container
CSS Bootstrap
0 vote368 views1 answer
@fontface otf
CSS
0 vote336 views1 answer
How to enlarge image when hover on in css
CSS
7 votes393 views2 answers
Css change link color in class
CSS
0 vote333 views1 answer
Materialize css icon
CSS Materialize
0 vote322 views1 answer
Responsive slider with text animation codepen
CSS
2 votes348 views1 answer
Css disable dropdown on input
CSS
11 votes371 views1 answer
Wrap none css
CSS
3 votes374 views5 answers
Css keep aspect ratio image
CSS
3 votes446 views1 answer
Convert angular project from css to scss
CSS