2. Enter the curve radius value in CSS length units, percentage or "inherit" value:

Enter curve radius value:  

3. Choose which bordered element to apply values to:

Apply to Outer Element   Apply to Middle Element   Apply to Inner Element

4. View the full syntax of the chosen option:

5. Repeat steps 1 to 4 or go to Step 6:

6. Reset ( clear ) border radius values:

Reset Outer Element   Reset Middle Element   Reset Inner Element