* {
	box-sizing: border-box;
}

body, html {
	margin: 0;
	padding: 0;
}

.cf {
  overflow: auto;
}

body {
	max-width: 50em;
	margin: 0 auto;
}

#image-slider {
	margin-top: 3em;
	position: relative;
	cursor: pointer;
	background: #000;
}

#image-slider #slider-image  {
	width: 100%;
	display: block;
}

#image-slider #slider-arrows {
	font-size: 5em;
}

#previous-img, #next-img {
	color: #fff;
	text-shadow: 0px 0px 5px #000;
	position: absolute;
	top: 50%;
  	transform: translateY(-50%); 
  	-webkit-transform: translateY(-50%);
  	-moz-transform: translateY(-50%);  	
  	-ms-transform: translateY(-50%);
  	-o-transform: translateY(-50%);   	
  	opacity: 0.4;
}

#previous-img:hover, #next-img:hover {
	opacity: 1;
}

#previous-img {
	left: 0.5em;
}

#next-img {
	right: 0.5em;
}

#slider-circles {
	position: absolute;
	left: 50%;
  	transform: translateX(-50%);
  	-webkit-transform: translateX(-50%);
  	-moz-transform: translateX(-50%);  	
  	-ms-transform: translateX(-50%);
  	-o-transform: translateX(-50%);  
  	bottom: 2em;
  	opacity: 0.4;
}

#slider-circles:hover {
	opacity: 1;
}

.circle {
	display: block;
	width: 1em;
	height: 1em;
	float: left;
	border-radius: 50%;
	border: 1px solid #fff;
	box-shadow: 0px 0px 0.3em #000;
	margin: 0.5em;
}

.circle.current {
	background: #fff;
}

.circle:hover {
	background: rgba(255,255,255,0.2);
}

.circle.current:hover {
	background: #fff;
}

#slider-arrows, #slider-circles {
	display: none;
}

#slider-circles, #previous-img, #next-img {
	-webkit-transition: all 0.3s ease;                  
    -moz-transition: all 0.3s ease;                 
    -o-transition: all 0.3s ease;   
    -ms-transition: all 0.3s ease;          
    transition: all 0.3s ease;
}

#slider-pbar-container {
	position: absolute;
	bottom: 0;
	width: 100%;
	height: 0.3em;
	z-index: 1;
}

#slider-pbar {
	height: 0.3em;
	width: 0;
	background: #fff;
	opacity: 0.4;
}