How to align fieldLabel and html attribute values ​​of Extjs Label

Settings: style:"position:relative;top:2px

var factorName = new Ext.form.Label({ 
id : 'factorName', 
fieldLabel : '要素名称', 
style:"position:relative;top:2px;", 
text : simpleGrid.getItems('factorName'), 
anchor : '100%' 
});

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