How I can change the color of border

Question

For example : see this
https://code.sololearn.com/WdR3Xk90xcuA/?ref=app in this code border's color is black . How I can change the color to blue or any other color ?

Answer 1

https://code.sololearn.com/W9F3rW9H83le/?ref=app
Use CSS. 😊

Answer 2

Add style="border-color: red;" to your HTML element.
Replace red with your color Hex code. example : #FFFFFF is white.

Answer 3

You can use border-color: #hex or use border: width style color. An example would be border: 2px solid blue;