<div class="container">
    <div class="inner-container">          
        <div class="card inactive-1"></div>
        <div class="card inactive-2"></div>
        <div class="card">
            <div class="content active">
                <h1>Step 1</h1>
                <p>Make perfectly hot homemade coffee. Carefully pour into coffee cup. <i class="em em-coffee"></i></p>
                <a class="button" href="#">Next step &rarr;</a>
            </div>
            <div class="content">
                <h1>Step 2</h1>
                <p>Trip. Spill all over the place.</p>
                <a class="button" href="#">Next step &rarr;</a>
            </div>
            <div class="content">
                <h1>Step 3</h1>
                <p>Repeat.</p>
                <a class="button" href="#">Next step &rarr;</a>
            </div>
            <div class="progress-container">
                <div class="step"></div>
            </div>
        </div>
    </div>
</div>

@import url('https://fonts.googleapis.com/css?family=Titillium+Web:300,700,900');
@import url('https://fonts.googleapis.com/css?family=Palanquin:300');
@import url('https://afeld.github.io/emoji-css/emoji.css');

$aqua: #00CED1;
$blueberry: #2575fc;
$grape: #6a11cb;
$darkcloud: #8f959a;

body {
    height: 100vh;
    width: 100%;
    margin: 0;
    font-family: 'Palanquin', sans-serif;
    font-size: 21px;
    color: $darkcloud;
    line-height: 1.5;
    background: linear-gradient(0deg, $grape 0%, $blueberry 100%);
}

.container {
    margin: 4em auto;
}

.inner-container {
    position: relative;
    max-width: 20%;
    min-width: 360px;
    height: 300px;
    width: 100%;
    margin: 0 auto 100px;
}

.content {
    position: absolute;
    opacity: 0;
    top: 2em;
    left: 10%;
    width: 80%;
    margin: 0 auto;
}

.active {
    display: block !important;
    margin: 0 auto;
    opacity: 1;
    transition: ease-in-out 1s;
}

.card {
    position: relative;
    background: #fff;
    border-radius: 5px;
    padding: 2em 0;
    height: 300px;
    box-sizing: border-box;
    transition: .3s ease;
    box-shadow: 0 3px 10px -2px rgba(0,0,0,0.35);

    &:first-child,
    &:nth-child(2) {
        background: darken($aqua, 2%);
        height: 8px;
        border-radius: 5px 5px 0 0;
        padding: 0;
        box-shadow: none;
    }
  
    &:first-child {
        margin: 0 20px;
        background: darken($aqua, 6%);
    }
  
    &:nth-child(2) {
        margin: 0 10px;
    }
  
    .progress-container {
        background: rgba($blueberry, 0.2);
        height: 6px;
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        border-radius: 0 0 5px 5px;
      
        .step {
            background-color: $blueberry;
            height: 6px;
            width: 33%;
            border-radius: 0 0 0 5px;
        }
    }
}

h1 {
    font-family: 'Titillium Web', sans-serif;
    font-weight: 700;
    font-size: 3rem;
    color: darken($aqua, 3%);
    margin: 0;
}

p {
    margin-top: 0;
}

a {
    color: $aqua;
    text-decoration: none;
    position: relative;

    &:before {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 0;
        width: 0%;
        border-bottom: 2px solid $aqua;
        transition: 0.3s;
    }

    &:hover:before {
        width: 80%;
    }
}

$(document).ready(function() {
  
    var content = $('.content');
    var currentItem = content.filter('.active');
    var steps = $('.card').filter('.steps');
    var inactive1 = $('.inactive-1');
    var inactive2 = $('.inactive-2');

    $('.button').click(function() {
        var nextItem = currentItem.next();
        var lastItem = content.last();
        var contentFirst = content.first();
      
        currentItem.removeClass('active');

        if (currentItem.is(lastItem)) {
            currentItem = contentFirst.addClass('active');
            currentItem.css({'right': '10%', 'opacity': '1'});
            $('.step').animate({width: '33%'});
            inactive1.animate({height: '8px', marginLeft:'20px', marginRight:'20px'}, 100);
            inactive2.animate({height: '8px', marginLeft:'10px', marginRight:'10px'}, 100);
          
        } else if (currentItem.is(contentFirst)) {
            currentItem.animate({opacity: 0}, 1000);
            currentItem = nextItem.addClass('active');
            $('.step').animate({width: '66%'});
            inactive2.animate({height: '0', marginLeft:'0px', marginRight:'0px'}, 100);
          
        } else {
            currentItem = nextItem.addClass('active');
            $('.step').animate({width: '100%'});
            inactive1.animate({height: '0', marginLeft:'0px', marginRight:'0px'}, 100);
        } 
    });
  
});