functions.php

/**
 * This theme only needs a small list of blocks enabled
 *
 * https://developer.wordpress.org/block-editor/reference-guides/core-blocks/
 *
 * Also see theme.json in the theme root. Options are restricted there too to follow specific brand standards.
 */
function allowed_block_types()
{
    return array(
        'core/audio',
        'core/block',
        'core/button',
        'core/buttons',
        'core/column',
        'core/columns',
        'core/heading',
        'core/html',
        'core/image',
        'core/group',
        'core/list',
        'core/list-item',
        'core/missing',
        'core/paragraph',
        //'core/pattern',
        'core/post-author',
        'core/post-featured-image',
        'core/preformatted',
        'core/separator',
        'core/shortcode',
        'core/spacer',
        'core/table',
        'core/video',
        'gravityforms/form'

    );
}
add_filter('allowed_block_types', 'allowed_block_types');

theme.json ideas

{
    "version": "2",
    "settings": {
        "appearanceTools": false,
        "border": {
            "color": false,
            "radius": false,
            "style": false,
            "width": false
        },
        "color": {
            "background": false,
            "custom": false,
            "customDuotone": false,
            "customGradient": false,
            "defaultGradients": false,
            "defaultPalette": false,
            "duotone": [],
            "gradients": [],
            "link": false,
            "text": false,
            "palette": [
                {
                    "slug": "ilawyerblue",
                    "color": "#071945",
                    "name": "iLawyer Blue"
                },
                {
                    "slug": "ilawyerbluetwo",
                    "color": "#0a51cc",
                    "name": "iLawyer Blue Two"
                },
                {
                    "slug": "ilawyerorange",
                    "color": "#ff7557",
                    "name": "iLawyer Orange"
                },
                {
                    "slug": "ilawyerorangetwo",
                    "color": "#e15030",
                    "name": "iLawyer Orange Two"
                }
            ]
        },
        "layout": {
            "contentSize": "850px"
        },
        "spacing": {
            "blockGap": true,
            "margin": true,
            "padding": true,
            "units": [
                "px",
                "em",
                "rem",
                "vh",
                "vw"
            ]
        },
        "typography": {
            "customFontSize": false,
            "dropCap": false,
            "fontFamilies": [],
            "fontSizes": [],
            "fontStyle": false,
            "fontWeight": false,
            "letterSpacing": false,
            "lineHeight": false,
            "textDecoration": false,
            "textTransform": false
        },
        "blocks": {
            "core/heading": {
                "spacing": {
                    "margin": false
                }
            },
            "core/button": {
                "border": {
                    "radius": false,
                    "style": false,
                    "width": false
                },
                "spacing": {
                    "padding": false
                },
                "color": {
                    "background": false,
                    "text": false
                }
            }
        }
    },
    "styles": {
        "color": {
            "background": "",
            "gradient": "",
            "text": "var(--wp--preset--color--ilawyerblue)"
        },
        "typography": {
            "fontFamily": "-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Oxygen-Sans,Ubuntu,Cantarell,\"Helvetica Neue\",sans-serif",
            "slug": "system-fonts",
            "name": "System Fonts",
            "fontSize": "17px",
            "lineHeight": "30px"
        },
        "blocks": {
            "core/button": {
                "border": {
                    "radius": "100px",
                    "style": false,
                    "width": false
                },
                "color": {
                    "text": "#fff",
                    "gradient": "linear-gradient(180deg, var(--wp--preset--color--ilawyerorange), var(--wp--preset--color--ilawyerorangetwo))"
                },
                "typography": {
                    "fontSize": "18px",
                    "fontWeight": "700"
                }
            },
            "core/list": {}
        },
        "elements": {
            "link": {
                "color": {
                    "text": "var(--wp--preset--color--ilawyerblue)"
                },
                "typography": {
                    "fontWeight": "700"
                }
            },
            "h1": {
                "typography": {
                    "lineHeight": "35px",
                    "fontWeight": "700"
                }
            },
            "h2": {
                "color": {
                    "text": "var(--wp--preset--color--ilawyerblue)"
                },
                "typography": {
                    "fontSize": "25px",
                    "lineHeight": "35px",
                    "fontWeight": "700"
                }
            },
            "h3": {
                "color": {
                    "text": "var(--wp--preset--color--ilawyerbluetwo)"
                },
                "typography": {
                    "fontSize": "21px",
                    "lineHeight": "30px",
                    "fontWeight": "700"
                }
            },
            "h4": {
                "color": {
                    "text": "var(--wp--preset--color--ilawyerorangetwo)"
                },
                "typography": {
                    "fontSize": "18px",
                    "lineHeight": "27px",
                    "fontWeight": "700"
                }
            },
            "h5": {},
            "h6": {}
        }
    }
}