style.css

* {
  margin: 0;
  padding: 0;
}

::selection{
  background: rgba(249,255,74,0.8);
  color: #333;
}

:focus { outline: 0; }

body,html {
  height: 100%;
}

body {
  font: 16px/1.1em "Segoe UI", Helvetica, sans-serif;
  overflow: hidden;
  background: url('bgnoise_lg.png');
  background: radial-gradient(50% 50%, farthest-side, rgba(1,1,1,0.3), rgba(255,255,255,0) 50%),
              url('bgnoise_lg.png');
  text-shadow: 0 0 1px rgba(255,255,255,0.1),
}

h1 {
  margin: 0;
  font-size: 3em;
  letter-spacing: -1px;
  color: rgba(0,0,0,0.4);
  text-shadow: 0px 0px 1px rgba(0,0,0,0.8);
  background: rgba(255,255,255,0.5);
  padding: 30px 20px;
  width: 580px;
  border-radius: 10px;
}

#container {
  width: 620px;
  margin: 0 auto 40px auto;
}

#wrapper {
  padding: 12px;
  width: 620px;
  height: 200px;
  overflow: hidden;
  position: relative;
}

/* Since we need a tag soup in order for this to work I added four divs inside of each other; the fourth has a padding on top */
#fourth {
  padding: 40px 0 0 0;
}

#navigation {
  position: relative;
}

/* Previous and Next buttons styling starts here; sometimes it appears Firefox is applying transition animatiosn to every style and not just transform and border. It seems to be random and I can't seem to replicate it. */
#navigation a {
  position: absolute;
  display: block;
  text-decoration: none;
  height: 50px;
  width: 50px;
  border-radius: 120px;
  background-color: rgba(0,0,0,0.3);
  background-image: radial-gradient(50% 10%, circle closest-side, rgba(100,100,100,0.3), rgba(150,150,150,0.2) 50px, rgba(230,230,230,0.3) 100px);
  border: 25px solid rgba(255,255,255,0.3);
  box-sizing: border-box;
  transition-property: transform, border;  
  transition-duration: 0.5s, 0.5s;
  box-shadow: 0 0 3px rgba(0,0,0,0.7);
}

#navigation span {
  display: none;
}

/* On hover a small subtle pulse will appear on each circle */
#navigation a:hover {
  border: 5px solid rgba(0,0,0,0.4);
  transition-property: transform, border;  
  transition-duration: 0.5s, 0.5s;
  animation: pulse 2s ease infinite;
}

@keyframes pulse{
	0%   { box-shadow: 0;}
	50%  { box-shadow: 0 0 10px rgba(0,0,0,0.3),
              -1px -1px 10px rgba(0,0,0,0.3),
              1px 1px 10px rgba(0,0,0,0.3);}
	100%   { box-shadow: 0;}
}

/* This animation is here will be shown when we target a Div and the slider has a caption, basically it will fade-in the caption */
@keyframes fade-in{
	0%   { opacity: 0;}
	100%   { opacity: 1;}
}

/* Since the first slide is "targeted" by default we only need to show the second anchor that links our #second div */
#navigation a:nth-child(2) {
  top: 175px;
  right: -70px;
}

/* When not showing, we hide and rezize to 0, each anchor. Since this is the first state, the only one showing is the previous anchor, so we have the other 3 */
#navigation a:nth-child(1),
#navigation a:nth-child(3),
#navigation a:nth-child(4) {
  transform: scale(0);
  visibility: hidden;
}

/* Hiding not-used navigation links when not targeted */
#second:target #navigation a:nth-child(2),
#second:target #navigation a:nth-child(4),
#third:target #navigation a:nth-child(1),
#third:target #navigation a:nth-child(3),
#fourth:target #navigation a:nth-child(1),
#fourth:target #navigation a:nth-child(2),
#fourth:target #navigation a:nth-child(4) {
  transform: scale(0);
  visibility: hidden;
}

/* When needed, depending on the targeted div we have to show them by reverting the previous style */
#second:target #navigation a:nth-child(1),
#second:target #navigation a:nth-child(3),
#third:target #navigation a:nth-child(2),
#third:target #navigation a:nth-child(4),
#fourth:target #navigation a:nth-child(3) {
  transform: scale(1);
  visibility: visible;
}

/* Depending on the anchor, and the state of the slide, we have to position the anchors as previous/next buttons */
#second:target #navigation a:nth-child(1),
#third:target #navigation a:nth-child(2),
#fourth:target #navigation a:nth-child(3) {
  transform: scale(1);
  visibility: visible;
  top: 175px;
  left: -70px;
}

#second:target #navigation a:nth-child(3),
#third:target #navigation a:nth-child(4) {
  transform: scale(1);
  top: 175px;
  right: -70px;
}

/* Giving each anchor a sneak peek of each slide */
#navigation a:nth-child(1) {
  background: url('slides/1.jpg');
  background-position: center center;
}

#navigation a:nth-child(2) {
  background: url('slides/2.jpg');
  background-position: center center;
}

#navigation a:nth-child(3) {
  background: url('slides/3.jpg');
  background-position: center center;
}

#navigation a:nth-child(4) {
  background: url('slides/4.jpg');
  background-position: center center;
}

/* Slider starts here */
#slider-container {
  margin: 20px auto;
  list-style: none;
  border: 10px solid rgba(255,255,255,1);
  background: rgba(0,0,0,0.8);
  width: 600px;
  height: 200px;
  box-shadow: 0 0 15px rgba(0,0,0,0.4);
  position: relative;
  transition: border 0.5s ease-in-out;
}

#slider-container:hover {
  border: 10px solid rgba(0,0,0,1);
  transition: border 0.5s ease-in-out;
}

/* This is pure eye-candy; "bent" shadowy effect */
#slider-container:before, #slider-container:after {
	position: absolute;
	width: 40%;
	height: 10px;
	content: ' ';
	left: 12px;
	bottom: -4px;
	background: transparent;
	transform: skew(-3deg) rotate(-3deg);
	box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
	z-index: -1;
}

#slider-container:after {
  left: auto;
	right: 12px;
	transform: skew(3deg) rotate(3deg);
}

#slider {
  list-style: none;
  width: 600px;
  height: 200px;
}

/* Depending on the targeted div we have to hide certain <li>s inside #slider */
#second:target #slider li:nth-child(1),
#second:target #slider li:nth-child(3),
#second:target #slider li:nth-child(4),
#third:target #slider li:nth-child(1),
#third:target #slider li:nth-child(2),
#third:target #slider li:nth-child(4),
#fourth:target #slider li:nth-child(1),
#fourth:target #slider li:nth-child(2),
#fourth:target #slider li:nth-child(3) { 
  opacity: 0;
  transition: all 0.5s;
}

#second:target #slider li:nth-child(2),
#third:target #slider li:nth-child(3),
#fourth:target #slider li:nth-child(4) {
  opacity: 1;
}

/* When the fourth slider is called the caption will fade-in by using a keyframe animation */
#fourth:target #slider p {
  animation: fade-in 3s ease 1;
}

#slider li {
  width: 600px;
  height: 200px;
  float: left;
  position: absolute;
  transition: all 0.5s;
}

/* Technically the slider should work with any kind of content; I have yet to test it */
#slider li * {
  display: block;
  width: 600px;
  height: 200px;
}

/* The first slide is targeted by default; so that's why that's the only one we are showing atm and everything else has opacity: 0 */
#slider li:nth-child(1) {
  background: url('slides/1.jpg');
}

#slider li:nth-child(2) {
  background: url('slides/2.jpg');
  opacity: 0;
}

#slider li:nth-child(3) {
  background: url('slides/3.jpg');
  opacity: 0;
}

#slider li:nth-child(4) {
  background: url('slides/4.jpg');
  opacity: 0;
}

/* Captions are paragraphs */
#slider p {
  width: 560px;
  position: absolute;
  bottom: 0;
  background: rgba(255,255,255,0.4);
  padding: 1em 20px;
  height: auto;
  font-size: 0.8em;
  border-top: 1px solid rgba(0,0,0,0.2);
  text-shadow: 0px 1px 1px rgba(255,255,255,0.5);
  font-weight: bold;
  transition: all 0.3s ease-in-out;
}

/* Styling bullets */
#bullets {
  margin: 20px auto 0 auto;
  width: 80px;
}

#bullets:after {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}

#bullets a {
  display: block;
  width: 12px;
  height: 12px;
  text-indent: -1000em;
  background: rgba(0,0,0,0.5);
  border-radius: 900px;
  float: left;
  margin: 0 10px 0 0;
  box-shadow: 0;
  transition: all 1s;
}

#bullets a:last-child {
  margin: 0;
}

#bullets a:hover,
#second:target #bullets a:hover,
#third:target #bullets a:hover,
#fourth:target #bullets a:hover,
#second:target #bullets a:nth-child(1):hover,
#third:target #bullets a:nth-child(1):hover,
#fourth:target #bullets a:nth-child(1):hover {
  background: rgba(0,0,0,0.8);
  box-shadow: 0 0 4px rgba(255,255,255,1);
  transition: all 1s;
}

/* Again depending on the targeted div, we need to give a certain style to the proper bullet. By default the first bullet is selected.

Radial gradients do not work on IE/Opera so the actual state of the bullets won't show. And Firefox seems to have some issues with this gradient as well; it's supposed to be centered.
*/
#bullets a:nth-child(1),
#second:target #bullets a:nth-child(2),
#third:target #bullets a:nth-child(3),
#fourth:target #bullets a:nth-child(4) {
  background: radial-gradient(center, ellipse cover, rgba(0,0,0,0.8) 20%, rgba(0,0,0,0) 30%, rgba(0,0,0,0) 40%, rgba(0,0,0,0.8) 50%);
  box-shadow: 0 0 4px rgba(255,255,255,1);
  transition: all 1s;
}

/* We override the styles of the first bullet when not targeted here */
#second:target #bullets a:nth-child(1),
#third:target #bullets a:nth-child(1),
#fourth:target #bullets a:nth-child(1) {
  background: rgba(0,0,0,0.5);
  box-shadow: 0 0 4px rgba(255,255,255,0);
  transition: all 1s;
}

/* Slider ends here */
#container #disclaimer {
  margin: 40px auto 0 auto;
  color: #eee;
  line-height: 1.6em;
  font-size: 0.7em;
  padding: 20px;
  background: rgba(0,0,0,0.8);
}

#disclaimer p {
  margin: 0 0 20px 0;
}

footer {
  position: absolute;
  bottom: 0;
  width: 210px;
  background: rgba(0, 0, 0, 0.1);
  color: #444;
  padding: 20px 15px;
  font-size: 0.8em;
}

footer ul,
footer li {
  list-style: none;
  text-align: left;
}

#container p a,
footer a {
  text-decoration: none;
  color: #0072BC;
}

#container p a:hover,
footer a:hover {
  border-bottom: 1px dotted #0072BC;
}