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              <section id=timeline>
	<h1>A Flexbox Timeline</h1>
	<p class="leader">All cards must be the same height and width for space calculations on large screens.</p>
	<div class="demo-card-wrapper">
		<div class="demo-card demo-card--step1">
			<div class="head">
				<div class="number-box">
					<span>01</span>
				</div>
				<h2><span class="small">Subtitle</span> Technology</h2>
			</div>
			<div class="body">
				<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Soluta reiciendis deserunt doloribus consequatur, laudantium odio dolorum laboriosam.</p>
				<img src="http://placehold.it/1000x500" alt="Graphic">
			</div>
		</div>

		<div class="demo-card demo-card--step2">
			<div class="head">
				<div class="number-box">
					<span>02</span>
				</div>
				<h2><span class="small">Subtitle</span> Confidence</h2>
			</div>
			<div class="body">
				<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Soluta reiciendis deserunt doloribus consequatur, laudantium odio dolorum laboriosam.</p>
				<img src="http://placehold.it/1000x500" alt="Graphic">
			</div>
		</div>

		<div class="demo-card demo-card--step3">
			<div class="head">
				<div class="number-box">
					<span>03</span>
				</div>
				<h2><span class="small">Subtitle</span> Adaptation</h2>
			</div>
			<div class="body">
				<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Soluta reiciendis deserunt doloribus consequatur, laudantium odio dolorum laboriosam.</p>
				<img src="http://placehold.it/1000x500" alt="Graphic">
			</div>
		</div>

		<div class="demo-card demo-card--step4">
			<div class="head">
				<div class="number-box">
					<span>04</span>
				</div>
				<h2><span class="small">Subtitle</span> Consistency</h2>
			</div>
			<div class="body">
				<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Soluta reiciendis deserunt doloribus consequatur, laudantium odio dolorum laboriosam.</p>
				<img src="http://placehold.it/1000x500" alt="Graphic">
			</div>
		</div>

		<div class="demo-card demo-card--step5">
			<div class="head">
				<div class="number-box">
					<span>05</span>
				</div>
				<h2><span class="small">Subtitle</span> Conversion</h2>
			</div>
			<div class="body">
				<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Soluta reiciendis deserunt doloribus consequatur, laudantium odio dolorum laboriosam.</p>
				<img src="http://placehold.it/1000x500" alt="Graphic">
			</div>
		</div>
    
	</div>
</section>
            
          
!
            
              /* Media Queries */

@mixin mq-xs {
  @media (min-width: 320px) {
    @content;
  }
}

@mixin mq-sm {
  @media (min-width: 480px) {
    @content;
  }
}

@mixin mq-md {
  @media (min-width: 720px) {
    @content;
  }
}

@mixin mq-lg {
  @media (min-width: 1000px) {
    @content;
  }
}

$background: #f7f7f7;
$box-shadow: 0px 1px 22px 4px rgba(0, 0, 0, 0.07);
$border: 1px solid rgba(191, 191, 191, 0.4);
$items: 5;
$rows: ceil($items/2);

/* Card sizing */

$card-height: 400px;
$card-width: 450px;
$inner-margin: 15px;
$number-size: 35px;
$stagger: 180px;
$outer-margin: 90px;
$marker-size: 9px;

/* Colors */

$steps: #46b8e9;
$colors: #46b8e9,
#3ee9d1,
#ce43eb,
#4d92eb;
$timeline: #bdbdbd;

/* Calculations */

$container-height: $rows * ($card-height + $outer-margin) + $stagger;
$container-width: $card-width*2 + $outer-margin*3;
$head-height: $number-size + 50;
$body-height: $card-height - $head-height;
$marker-dist: $card-width + $outer-margin/2 - $marker-size/2;

/* Placeholders */

@include mq-lg {
  %arrow {
    position: absolute;
    content: "";
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
  }
  %marker {
    position: absolute;
    content: "";
    width: $marker-size;
    height: $marker-size;
    background-color: $timeline;
    border-radius: $marker-size;
    box-shadow: 0px 0px 2px 8px $background;
  }
}


/* Some Cool Stuff */

$counter: $items - $rows + 2;
@for $i from 1 through $rows {
  .demo-card:nth-child(#{$i*2-1})   { order: $i }
  .demo-card:nth-child(#{$i*2})     { order: $counter }
  $counter: $counter + 1;
}

/* Border Box */

* {
  box-sizing: border-box;
}

/* Fonts */

body {
  font-family: Roboto;
}

#timeline {
  padding: 100px 0;
  background: $background;
  border-top: $border;
  border-bottom: $border;
  h1 {
    text-align: center;
    font-size: 3rem;
    font-weight: 200;
    margin-bottom: 20px;
  }
  p.leader {
    text-align: center;
    max-width: 90%;
    margin: auto;
    margin-bottom: 45px;
  }
  .demo-card-wrapper {
    position: relative;
    margin: auto;
    @include mq-lg {
      display: flex;
      flex-flow: column wrap;
      width: $container-width;
      height: $container-height;
      margin: 0 auto;
    }
    &::after {
      z-index: 1;
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      border-left: $border;
      @include mq-lg {
        border-left: 1px solid $timeline;
      }
    }
  }
  .demo-card {
    position: relative;
    display: block;
    margin: 10px auto 80px;
    max-width: 94%;
    z-index: 2;
    @include mq-sm {
      max-width: 60%;
      box-shadow: $box-shadow;
    }
    @include mq-md {
      max-width: 40%;
    }
    @include mq-lg {
      max-width: $card-width;
      height: $card-height;
      margin: $outer-margin;
      margin-top: $outer-margin/2;
      margin-bottom: $outer-margin/2;
      &:nth-child(odd) {
        margin-right: $outer-margin/2;
        .head::after {
          @extend %arrow;
          border-left-width: 15px;
          border-left-style: solid;
          left: 100%;
        }
        .head::before {
          @extend %marker;
          left: $marker-dist + 1;
        }
      }
      &:nth-child(even) {
        margin-left: $outer-margin/2;
        .head::after {
          @extend %arrow;
          border-right-width: 15px;
          border-right-style: solid;
          right: 100%;
        }
        .head::before {
          @extend %marker;
          right: $marker-dist - 1;
        }
      }
      &:nth-child(2) {
        margin-top: $stagger;
      }
    }
    .head {
      position: relative;
      display: flex;
      align-items: center;
      color: #fff;
      font-weight: 400;
      .number-box {
        display: inline;
        float: left;
        margin: $inner-margin;
        padding: 10px;
        font-size: $number-size;
        line-height: $number-size;
        font-weight: 600;
        background: rgba(0, 0, 0, 0.17);
      }
      h2 {
        text-transform: uppercase;
        font-size: 1.3rem;
        font-weight: inherit;
        letter-spacing: 2px;
        margin: 0;
        padding-bottom: 6px;
        line-height: 1rem;
        @include mq-sm {
          font-size: 165%;
          line-height: 1.2rem;
        }
        span {
          display: block;
          font-size: 0.6rem;
          margin: 0;
          @include mq-sm {
            font-size: 0.8rem;
          }
        }
      }
    }
    .body {
      background: #fff;
      border: $border;
      border-top: 0;
      padding: $inner-margin;
      @include mq-lg {
        height: $body-height;
      }
      p {
        font-size: 14px;
        line-height: 18px;
        margin-bottom: $inner-margin;
      }
      img {
        display: block;
        width: 100%;
      }
    }
    @for $i from 1 through $items {
      &--step#{$i} {
        $color: nth($colors, ((($i - 1) % 4) + 1));
        background-color: $color;
        .head::after {
          border-color: $color;
        }
      }
    }
  }
}
            
          
!
999px
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