To make your tab look more clean and modern, you can choose Flat Tab Style. Follow the steps below:
1. Navigate to Smart Tabs → Click on Add New to Add New Tab Group.
2. Select any tab type you want from the Tabs Type option. Two options are available:
- Content
- Post

3. Under the Display Options > Tabs Title & Description, you will find the Flat Tab Style option. There are two options available.
- Normal
- Underline

Note: If you choose the Underline option, another option will appear named Underline Style. Now, set or change the tabs’ underline width and color from here as you prefer.

