$(function() {
	$(".bigger").click(function() {
		var thisEle = $(".list_cont_content div,.list_cont_content p").css("font-size");
		var thisLine = $(".list_cont_content div,.list_cont_content p").css("line-height");
		var textFontSize = parseFloat(thisEle, 10);
		var textLineheight = parseFloat(thisLine, 10);
		var unit = thisEle.slice(-2);
		var unline = thisLine.slice(-2)
		var cName = $(this).attr("class");
		if (cName == "bigger") {
			if (textFontSize == 30) {
				textFontSize = 30;
				textLineheight = 60;
			} else {
				textFontSize += 1;
				textLineheight += 2;
			}
		}
		$(".list_cont_content div,.list_cont_content p").css("font-size", textFontSize + unit);
		$(".list_cont_content div,.list_cont_content p").css("line-height", textLineheight + unline);
		$(".list_cont_content span").css("font-size", textFontSize + unit);
		$(".list_cont_content span").css("line-height", textLineheight + unline);
		$(".list_cont_content font").css("font-size", textFontSize + unit);
		$(".list_cont_content font").css("line-height", textLineheight + unline);
	});
	$(".medium").click(function() {
		var thisEle = $(".list_cont_content div,.list_cont_content p").css("font-size");
		var thisLine = $(".list_cont_content div,.list_cont_content p").css("line-height");
		var textFontSize = parseFloat(thisEle, 10);
		var textLineheight = parseFloat(thisLine, 10);
		var unit = thisEle.slice(-2);
		var unline = thisLine.slice(-2)
		var cName = $(this).attr("class");
		if (cName == "medium") {
			textFontSize = 16;
			textLineheight = 32;
		}
		$(".list_cont_content div,.list_cont_content p").css("font-size", textFontSize + unit);
		$(".list_cont_content div,.list_cont_content p").css("line-height", textLineheight + unline);
		$(".list_cont_content span").css("font-size", textFontSize + unit);
		$(".list_cont_content span").css("line-height", textLineheight + unline);
		$(".list_cont_content font").css("font-size", textFontSize + unit);
		$(".list_cont_content font").css("line-height", textLineheight + unline);
	});
	$(".smaller").click(function() {
		var thisEle = $(".list_cont_content div,.list_cont_content p").css("font-size");
		var thisLine = $(".list_cont_content div,.list_cont_content p").css("line-height");
		console.log(thisLine)
		var textFontSize = parseFloat(thisEle, 10);
		var textLineheight = parseFloat(thisLine, 20);
		console.log(textLineheight)
		var unit = thisEle.slice(-2);
		var unline = thisLine.slice(-2)
		var cName = $(this).attr("class");
		if (cName == "smaller") {
			if (textFontSize < 30) {
				textFontSize -= 1;
				textLineheight -= 2;
			}
			if (textFontSize == 10) {
				textFontSize = 16;
				textLineheight = 32;
				return;
			}
		}
		$(".list_cont_content div,.list_cont_content p").css("font-size", textFontSize + unit);
		$(".list_cont_content div,.list_cont_content p").css("line-height", textLineheight + unline);
		$(".list_cont_content span").css("font-size", textFontSize + unit);
		$(".list_cont_content span").css("line-height", textLineheight + unline);
		$(".list_cont_content font").css("font-size", textFontSize + unit);
		$(".list_cont_content font").css("line-height", textLineheight + unline);
	});
});