theme.json

{
    "$schema": "https://schemas.wp.org/trunk/theme.json",
    "version": 2,
    "settings": {
        "useRootPaddingAwareAlignments": true,
        "layout": {
            "contentSize": "780px",
            "wideSize": "1120px"
        },
        "appearanceTools": true,
        "border": {
            "color": true,
            "radius": true,
            "style": true,
            "width": true
        },
        "typography": {
			"customFontSize": true,
            "fluid": true,
			"lineHeight": true,
            "fontSizes": [
                {
                    "name": "Small",
                    "slug": "small",
                    "size": "13px"
                },
                {
                    "name": "Medium",
                    "slug": "medium",
                    "size": "20px"
                },
                {
                    "name": "Large",
                    "slug": "large",
                    "size": "36px"
                },
                {
                    "name": "Extra Large",
                    "slug": "x-large",
                    "size": "42px"
                }
            ]
        },
        "dimensions": {
            "minHeight": true
        },
        "position": {
            "sticky": true
        },
        "spacing": {
			"margin": true,
			"padding": true,
            "blockGap": null,
            "customSpacingSize": true,
            "spacingScale": {
                "operator": "*",
                "increment": 1.5,
                "steps": 7,
                "mediumStep": 1.5,
                "unit": "rem"
            },
            "spacingSizes": [],
            "units": [
                "px",
                "em",
                "rem",
                "vh",
                "vw",
                "%"
            ]
        }
    }
}