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

1 vote321 views1 answer
Html center video
CSS
0 vote312 views1 answer
How to change the theme of a website using css
CSS
1 vote304 views1 answer
Hard blink
CSS
1 vote316 views1 answer
How to space out buttons css
CSS
21 votes305 views5 answers
Border css
CSS
1 vote325 views2 answers
Round one side of div css
CSS
-1 vote305 views2 answers
Css lock scroll
CSS
0 vote292 views3 answers
Change text in a div css
CSS
10 votes290 views6 answers
Css hover change another element
CSS
6 votes332 views6 answers
Break word css
CSS