Add .radio as a single wrapper and add <label> with for attribute to get better output.

• Active
• Inactive
• Active - Disabled
• Inactive - Disabled

Add .custom-control.custom-radio as a single wrapper and add .custom-control-label for better output.

• Active
• Inactive
• Active - disabled
• Inactive - disabled

Add .radio.radio-{color} in the wrapper for colored radio.

• Primary
• Secondary
• Success
• Danger
• Warning
• Info

Use .radio.radio-sm in the wrapper for small radio. Colored small radio can also be used.

• Small
• Default