JSFiddle - React, Tailwind, and code Playground

by mackry

HTML

<ul class="challenge-list">
    <li class="challenge">Eat More Broccoli 1</li>
    <li class="challenge">Eat More Broccoli 2</li>
    <li class="challenge">Eat More Broccoli 3</li>
    <li class="challenge">Eat More Broccoli 4</li>
</ul>

<div id="modal">
    <div>
        <h2>Eat More Broccoli 1</h2>
        <a href="#close" title="Close">&times;</a>
    </div>
    <div>
        <h2>Eat More Broccoli 2</h2>
        <a href="#close" title="Close">&times;</a>
    </div>
    <div>
        <h2>Eat More Broccoli 3</h2>
        <a href="#close" title="Close">&times;</a>
    </div>
    <div>
        <h2>Eat More Broccoli 4</h2>
        <a href="#close" title="Close">&times;</a>
    </div>
</div>

CSS

body {
    background: #f7f7f7;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.challenge-list {
    margin: 50px;
}

.challenge {
    background: #fff;
    border: 1px solid #ccc;
    color: #555;
    display: inline-block;
    margin-right: 10px;
    padding: 15px;
    height: 100px;
    width: 150px; 
    
    box-shadow: 0 1px 2px rgba(0, 0, 0, .07);
}

.challenge:hover {
    border: 1px solid #999;
    cursor: pointer;
}

.challenge.selected {
    border-color: #00ABF7;
    box-shadow: inset 2px 2px #00ABF7, inset -2px -2px #00ABF7;
}

#modal {
    background-color: white;
    background-color: rgba(0, 0, 0, 0);
    display: block;
    height: 0;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    overflow-x: auto;
    overflow-y: scroll;
    z-index: 1;
    
    -webkit-perspective: 1000;
}

#modal.show {
    background-color: rgba(0, 0, 0, .15);
    height: auto;
    z-index: 9999;
    
    -moz-transform: translateZ(0);
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    
    -moz-transition: background 500ms ease-out 200ms;
    -webkit-transition: background 500ms ease-out 200ms;
    transition: background 500ms ease-out 200ms;
}

#modal div {
    display: none;
    z-index: 2;
}

#modal .active {
    display: block;
    position: absolute;
    height: 100px;
    width: 150px;
    border: solid 1px #999;
    padding: 15px;
    opacity: 1;
    background: white;
    z-index: 3;
    
    top: 0;
    left: 0;
    
    -moz-box-shadow: 0px 20px 60px rgba(0,0,0,.2);
    -webkit-box-shadow: 0px 20px 60px rgba(0,0,0,.2);
    box-shadow: 0px 20px 60px rgba(0,0,0,.2);
}

#modal.show .active {
    height: 400px;
    width: 350px;
    overflow: hidden;

    -moz-transition: all 200ms ease-out;
    -webkit-transition: all 200ms ease-out;
    transition: all 200ms ease-out;
}

#modal .before {
    margin-left: -200px;
    opacity: 0 !important;
}

#modal .after {
    margin-left: 200px;
    opacity: 0...

JavaScript

$(document).ready(function() {
    var modal = $('#modal'),
        dialogs = $('#modal div'),
        close = modal.find('a[href="#close"]'),
        challenges = $('.challenge'),
        left = Math.round(($(window).width() / 2) - 190),
        selectedChallenge = null,
        activeDialog = null;

    challenges.each(function() {
        var $this = $(this);
        $this.click(function() {
            selectedChallenge = $this.addClass('selected');
            activeDialog = dialogs.eq($this.index()).addClass('active');
            var xPos = $this.offset().left,
                yPos = $this.offset().top;

            activeDialog.css(translate3d(xPos, yPos, 0));

            setTimeout(function() {
                modal.addClass('show');
                activeDialog.css(translate3d(left, 200, 0));
            }, 1);
        });
    });

    modal.click(function(e) {
        if ($(e.target).is('#modal')) {
            closeModal();
        }
    });

    close.click(closeModal);

    function closeModal() {
        selectedChallenge.removeClass('selected');
        modal.removeClass('show');
        dialogs.removeClass('active');
        resetTransform(dialogs);
    }

    function resetTransform(el) {
        el.css({
            '-moz-transform': '',
            '-webkit-transform': '',
            'transform': ''
        });
    }

    function translate3d(x, y, z) {
        x = (x + 'px') || 0;
        y = (y + 'px') || 0;
        z = (z + 'px') || 0;

        return {
            '-moz-transform': 'translate3d(' + x + ', ' + y + ', ' + z + ')',
            '-webkit-transform': 'translate3d(' + x + ', ' + y + ', ' + z + ')',
            'transform': 'translate3d(' + x + ', ' + y + ', ' + z + ')'
        };
    }


    // keyboard left right arrow keys
    $(document).keydown(function(e) {
        if (e.keyCode == 37) {
            var prevChallenge = selectedChallenge.removeClass('selected').prev();
            if (prevChallenge.is('li')) {
             ...