Circle button css

Question

I\'m a beginner and very confused, as a div tag when I give the same width and height with border-radius: 50% it always becomes circle. but with the tag a in case I want to

Answer 1

use this css.

.roundbutton{
          display:block;
          height: 300px;
          width: 300px;
          border-radius: 50%;
          border: 1px solid red;
          
        }