.slider-holder {
	width: 434px;
	height: 620px;
}

.slider-holder .slider-nav {
	margin-top: 1em;
}

.slider-holder .slider-nav button {
	padding: 1em;
	margin-right: 1em;
	border-radius: 10px;
	cursor: pointer;
	float: left;
}

.slider-holder .slider {
	width: 434px;
	height: 628px;
	overflow: scroll;
}

.slider-holder .slider ul {
	width: 10000px;
	list-style: none;
	margin: 0;
	padding: 0;
	position: relative;
}

.slider-holder .slider li {
	float: left;
	width: 434px;
	/*height: 620px;*/
	overflow: hidden;
	position: relative;
}

.slider-holder div.v {
  left: -43px;
  overflow: hidden;
  position: relative;
  top: -360px;
  width: 520px;
}

.slider-holder div.v .slider-nav {
	position: relative; 
	float: left; 
	display: block; 
	left: 50%;
}

.slider-holder .slider-nav button {
	position: relative; 
	float: left; 
	display: block; 
	right: 50%;
}

.slider-holder .scroll_left {
	display: none;
	width: 30px;
	height: 30px;
	position: absolute;
	top: 120px;
	background: red;
	z-index: 50;
	cursor: pointer;
}

.slider-holder .scroll_right {
	display: none;
	width: 30px;
	height: 30px;
	position: absolute;
	top: 120px;
	left: 620px;
	background: blue;
	z-index: 50;
	cursor: pointer;
}

.slider-holder button.active {
	background: red;
}