double neomorphism button code example

Example 1: neumorphism

border-radius: 50px;
background: #535ef3;
box-shadow:  -21px -21px 42px #4750cf, 
             21px 21px 42px #5f6cff;

Example 2: neumorphism

border-radius: 50px;
background: #ffffff;
box-shadow: inset 5px 5px 10px #b5b5b5, 
            inset -5px -5px 10px #ffffff;