How to make border blur css

div{
  width:150px;
  height:150px;
  background-color:black;
  border-radius:15px;
  border-style:solid;
  border-width:1px;
  border-color:red;
  box-shadow: 0px 0px 15px rgba(255,0,0);
}

Similar codes

0 vote156 views1 answer
Get clicked position javascript image
CSS
0 vote178 views1 answer
Freeze input text css
CSS
0 vote150 views1 answer
Css calc function
CSS
0 vote156 views1 answer
Spree_digital
CSS
3 votes150 views1 answer
Responsive flexbox in css
CSS
0 vote151 views1 answer
Remove onclick highlight from anchor tag when opened in mobile
CSS
9 votes139 views3 answers
Bootstrap blue outline button
CSS
5 votes210 views3 answers
Bootstrap 4 classes list with description pdf
CSS Bootstrap
76 votes166 views6 answers
Reduce method
CSS
0 vote158 views2 answers
CSS Or Selector
CSS