html,body
{
	margin: 0px;
	padding: 0px;
	/* diable android pull down refresh gesture */
	overflow-y: hidden;
	overscroll-behavior: contain;
	--picSize: 120;
}

body
{
}

/* keep image's aspectratio */
img
{
	max-width: 100%;
}

img[width]
{
	width: auto; /* Defer to max-width */
}

img[width][height]
{
	height: auto; /* Preserve aspect ratio */
} 
img.center {
    position: relative;
    transform: translate(-50%,-50%);
    top: 50%;
    left: 50%;
		max-width: 100%;
		max-height: 100%;
}
img.center_view
{
    position: absolute;
    transform: translate(-50%,-50%);
    top: 50%;
    left: 50%;
		max-width: 100%;
		max-height: 100%;
}