1. Go to your Shopify Admin Dashboard >  Edit Code.
2. Open the Â
theme.css file under the assets folder find the below code and delete it for removing the left side border.
.tab-body {
border-left: 4px solid #2dffb3;
}
2. Now copy the following code and paste it intoÂ
theme.css at the end of the existing code.
.horizontal-tab-box.background-accent_background, .horizontal-tabs-body .tab.background-accent_background, .dbtfy-product-tab-box .vertical-tab.background-accent_background {
background-color: #faf8ff;
border-bottom: 2px solid #0000004a;
border-radius: 0px! important;
}
3. After pasting the code, save the file to display better-look product tabs in the Shopify Debutify theme.
👉 Video Guide for Product Tabs Customization