Pixel Value
clip-path: polygon( 50px 0px, 450px 0px,
500px 50px, 500px
450px, 450px 500px, 50px 500px, 0px 450px,
0px 50px);
Percentage Value
clip-path: polygon( 10.00% 0.00%, 90.00% 0.00%, 100% 10.00%, 100% 90.00%, 90.00% 100%, 10.00% 100%, 0.00% 90.00%, 0.00% 10.00% );
Dynamic Responsive Value ( Only this code working for lock position )
clip-path: polygon(50px 0px, calc(
100% - 50px) 0px, 100% 50px, 100%
calc( 100% - 50px), calc( 100% - 50px) 100%, 50px 100%, 0px calc( 100% - 50px), 0px 50px);