If you want to adjust gap between fields in Form Block, you can use these CSS code to Website Tools > Custom CSS.
#1. All Form Blocks
div.form-block .form-wrapper div.form-item.field { margin-bottom: 0px !important; }
#2. All Form Blocks (Desktop Only)
@media screen and (min-width:768px) { div.form-block .form-wrapper div.form-item.field { margin-bottom: 0px !important; }}
#3. All Form Blocks (Mobile Only)
@media screen and (max-width:767px) { div.form-block .form-wrapper div.form-item.field { margin-bottom: 0px !important; }}
#4. Specific Form Block
First, you need to find Form Block ID. Use this tool. In my example, it is:
- #block-yui_3_17_2_1_1723417893645_6471
Next, use this CSS code
#block-yui_3_17_2_1_1723417893645_6471 .form-wrapper div.form-item.field { margin-bottom: 0px !important; }