body, html, :root
{

	-epub-writing-mode: vertical-rl; /*直式設定 for epub*/
	-epub-line-break: normal; /*斷行設定 for epub*/
	-webkit-writing-mode: vertical-rl; /*直式設定*/
	-webkit-line-break: normal; /*斷行設定*/
	line-break: strict; /*斷行設定,參數(normal , auto , strict)*/
	writing-mode: vertical-rl; /*直式設定 for Kindle*/
}