div(class='card')
  div(class='products')
    div(class='product active'
        product-id='1'
        product-color='#D18B49')
      div(class='thumbnail')
        img(src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/169963/Stag.svg')
      h1(class='title') The Magnificent Stag
      p(class='description') Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.
    div(class='product'
        product-id='2'
        product-color='#542F13')
      div(class='thumbnail')
        img(src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/169963/Bear.svg')
      h1(class='title') The Courageous Bear
      p(class='description') Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.
    div(class='product'
        product-id='3'
        product-color='#A5AAAE')
      div(class='thumbnail')
        img(src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/169963/Mouse.svg')
      h1(class='title') The Sneaky Mouse
      p(class='description') Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.
    div(class='product'
        product-id='4'
        product-color='#ED8D1F')
      div(class='thumbnail')
        img(src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/169963/Fox.svg')
      h1(class='title') The Cunning Fox
      p(class='description') Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.
    div(class='product'
        product-id='5'
        product-color='#C4C8CB')
      div(class='thumbnail')
        img(src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/169963/Rabbit.svg')
      h1(class='title') The Jumpy Rabbit
      p(class='description') Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.
  div(class='footer')
    a(class='btn'
      id='prev'
      href='#'
      ripple=''
      ripple-color='#666666') Prev
    a(class='btn'
      id='next'
      href='#'
      ripple=''
      ripple-color='#666666') Next

// Duration
$duration: 0.5s;

// Font Family
$body-font: "Roboto";

// Font Weights
$thin: 100;
$light: 300;
$regular: 400;
$semibold: 500;
$bold: 700;
$ultra: 800;

// Base Font
/* $base-background: #00CC99; */
$base-background: #D18B49;
$base-font-family: $body-font, sans-serif;
$base-font-size: 14px;
$base-font-weight: $regular;
$base-line-height: 1.6em;

// Colors
$black: #000000;
$dark-gray: rgba($black, 0.8);
$gray: rgba($black, 0.6);
$light-gray: rgba($black, 0.4);
$lighter-gray: rgba($black, 0.2);
$white: #FFFFFF;
$accent: #4285F4;
$primary: #2F313A;
$secondary: #F4B142;

// Card Settings
$max-width: 400px;
$max-height: null;
$gutters: 24px;

// Elevation
@mixin elevation($level) {
  @if $level == 1 {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  }

  @else if $level == 2 {
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
  }

  @else if $level == 3 {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
  }

  @else if $level == 4 {
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
  }

  @else if $level == 5 {
    box-shadow: 0 19px 38px rgba(0, 0, 0, 0.3), 0 15px 12px rgba(0, 0, 0, 0.22);
  }
}

body {
  background: $base-background;
  color: $gray;
  font-family: $base-font-family;
  font-size: $base-font-size;
  line-height: $base-line-height;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: $duration ease;
}

// Button
.btn {
  border-radius: 2px;
  padding: ($gutters / 3) ($gutters / 2);
  color: #D18B49;
  font-size: 14px;
  font-weight: $semibold;
  text-decoration: none;
  text-transform: uppercase;
  transition: $duration ease;
}

// Card
.card {
  background: $white;
  max-width: $max-width;
  min-height: $max-height;
  margin: 100px auto;
  border-radius: 12px;
  @include elevation(3);
  box-sizing: border-box;
  padding: ($gutters * 2);
  text-align: center;
}

// Products
.products {
  position: relative;
  overflow: hidden;
  transition: $duration ease;
}

// Product
.product {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  visibility: hidden;
  transition: $duration ease;
  
  &.active {
    opacity: 1;
    visibility: visible;
  }
}

// Thumbnail
.thumbnail {
  margin: 0 0 ($gutters * 2);
}

// Title
.title {
  margin: 0 0 ($gutters / 2);
  color: #D18B49;
  font-size: 24px;
  transition: $duration ease;
}

// Description
.description {
  margin: 0 0 ($gutters * 2);
}

// Footer
.footer {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin: 0 (-$gutters / 2) (-$gutters / 2);
}

// Ripple
[ripple] {
  z-index: 1;
  position: relative;
  overflow: hidden;

  .ripple {
    position: absolute;
    background: $white;
    width: 60px;
    height: 60px;
    border-radius: 100%;
    transform: scale(0);
    animation: ripple 2s;
  }
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.2;
  }

  100% {
    transform: scale(20);
    opacity: 0;
  }
}

$(document).ready(function() {
  var getProductHeight = $('.product.active').height();

  $('.products').css({
    height: getProductHeight
  });

  function calcProductHeight() {
    getProductHeight = $('.product.active').height();

    $('.products').css({
      height: getProductHeight
    });
  }

  function animateContentColor() {
    var getProductColor = $('.product.active').attr('product-color');

    $('body').css({
      background: getProductColor
    });

    $('.title').css({
      color: getProductColor
    });

    $('.btn').css({
      color: getProductColor
    });
  }

  var productItem = $('.product'),
    productCurrentItem = productItem.filter('.active');

  $('#next').on('click', function(e) {
    e.preventDefault();

    var nextItem = productCurrentItem.next();

    productCurrentItem.removeClass('active');

    if (nextItem.length) {

      productCurrentItem = nextItem.addClass('active');
    } else {
      productCurrentItem = productItem.first().addClass('active');
    }

    calcProductHeight();
    animateContentColor();
  });

  $('#prev').on('click', function(e) {
    e.preventDefault();

    var prevItem = productCurrentItem.prev();

    productCurrentItem.removeClass('active');

    if (prevItem.length) {
      productCurrentItem = prevItem.addClass('active');
    } else {
      productCurrentItem = productItem.last().addClass('active');
    }

    calcProductHeight();
    animateContentColor();
  });

  // Ripple
  $('[ripple]').on('click', function(e) {
    var rippleDiv = $('<div class="ripple" />'),
      rippleSize = 60,
      rippleOffset = $(this).offset(),
      rippleY = e.pageY - rippleOffset.top,
      rippleX = e.pageX - rippleOffset.left,
      ripple = $('.ripple');

    rippleDiv.css({
      top: rippleY - (rippleSize / 2),
      left: rippleX - (rippleSize / 2),
      background: $(this).attr("ripple-color")
    }).appendTo($(this));

    window.setTimeout(function() {
      rippleDiv.remove();
    }, 1900);
  });
});