added css in html jquery code example

Example 1: jquery css

$('#element').css('display', 'block'); /* Single style */
$('#element').css({'display': 'block', 'background-color' : '#2ECC40'}); /* Multiple style */

Example 2: jquery css

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Method:
	const element = $("#element")
	function update_change_css(field, val)
	{
		element.css(field, val)
	}



Usage:
	const element = $("#element")
	function update_change_css(field, val)
	{
		element.css(field, val)
	}

	update_change_css("display", "block")
	update_change_css("background-color", "red")
	update_change_css("width", "100%")
	update_change_css("color", "aqua")
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OR
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Method:
	$('#element').css("property", "property value")



Usage:
	$('#element').css("color", "red")
	$('#element').css("background-color", "blue")
	$('#element').css("font-size", "30px")
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OR
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Method:
	const element = $("#element")
	function update_change_css(val)
	{
		element.css("color", val)
	}



Usage:
	const element = $("#element")
	function update_change_css(val)
	{
		element.css("color", val)
	}

	update_change_css("black")
	update_change_css("red")
	update_change_css("blue")
	update_change_css("aqua")
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