/* Add your CSS code here.

For example:
.example {
    color: red;
}

For brushing up on your CSS knowledge, check out http://www.w3schools.com/css/css_syntax.asp

End of comment */ 
:where(.wp-site-blocks) > * {
    margin-block-start: 0 !important;
    margin-block-end: 0 !important;
}