Template:Header/doc

TemplateData
{	"format": "inline", "params": { "1": {			"label": "Header text", "required": true, "type": "content" },		"2": {			"label": "Floated icon", "description": "Optional content that is floated to the right (does not actually need to be an icon).", "type": "content" },		"margin-bottom": { "label": "CSS `margin-bottom`", "description": "The CSS  value for the bottom margin", "default": "0.5em", "type": "string" },		"style": { "label": "CSS style", "description": "CSS style override", "type": "string" }	} }