500 Error: Log File / Stack Trace Animation

500 Error: Log File / Stack Trace Animation using CSS, HTML and JavaScript. Demo and Download options available.

Demo Download

Author Adam Quinlan
Hits
Created SEPTEMBER 14, 2018
License Open
Compatible browsers Chrome, Firefox, Safari

Little 500 error page mockup. Tried to capture the feeling of going through stack traces and lines and lines of log-files in an aesthetically pleasing way. -- wanted to mess around with css variables so likely doesn't work too well in ie

HTML Snippet

<div class="container">
        <div class="error">
            <h1>500</h1>
            <h2>error</h2>
            <p>Ruh-roh, something just isn't right... Time to paw through your logs and get down and dirty in your
                stack-trace;)</p>
        </div>
        <div class="stack-container">
            <div class="card-container">
                <div class="perspec" style="--spreaddist: 125px; --scaledist: .75; --vertdist: -25px;">
                    <div class="card">
                        <div class="writing">
                            <div class="topbar">
                                <div class="red"></div>
                                <div class="yellow"></div>
                                <div class="green"></div>
                            </div>
                            <div class="code">
                                <ul>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="card-container">
                <div class="perspec" style="--spreaddist: 100px; --scaledist: .8; --vertdist: -20px;">
                    <div class="card">
                        <div class="writing">
                            <div class="topbar">
                                <div class="red"></div>
                                <div class="yellow"></div>
                                <div class="green"></div>
                            </div>
                            <div class="code">
                                <ul>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="card-container">
                <div class="perspec" style="--spreaddist:75px; --scaledist: .85; --vertdist: -15px;">
                    <div class="card">
                        <div class="writing">
                            <div class="topbar">
                                <div class="red"></div>
                                <div class="yellow"></div>
                                <div class="green"></div>
                            </div>
                            <div class="code">
                                <ul>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="card-container">
                <div class="perspec" style="--spreaddist: 50px; --scaledist: .9; --vertdist: -10px;">
                    <div class="card">
                        <div class="writing">
                            <div class="topbar">
                                <div class="red"></div>
                                <div class="yellow"></div>
                                <div class="green"></div>
                            </div>
                            <div class="code">
                                <ul>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="card-container">
                <div class="perspec" style="--spreaddist: 25px; --scaledist: .95; --vertdist: -5px;">
                    <div class="card">
                        <div class="writing">
                            <div class="topbar">
                                <div class="red"></div>
                                <div class="yellow"></div>
                                <div class="green"></div>
                            </div>
                            <div class="code">
                                <ul>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="card-container">
                <div class="perspec" style="--spreaddist: 0px; --scaledist: 1; --vertdist: 0px;">
                    <div class="card">
                        <div class="writing">
                            <div class="topbar">
                                <div class="red"></div>
                                <div class="yellow"></div>
                                <div class="green"></div>
                            </div>
                            <div class="code">
                                <ul>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

CSS Code

body,
html {
    padding: 0;
    margin: 0;
    font-family: 'Quicksand', sans-serif;
    font-weight: 400;
    overflow: hidden;
}

.writing {
    width: 320px;
    height: 200px;
    background-color: #3f3f3f;
    border: 1px solid #bbbbbb;
    border-radius: 6px 6px 4px 4px;
    position: relative;
}

.writing .topbar{
    position: absolute;
    width: 100%;
    height: 12px;
    background-color: #f1f1f1;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}

.writing .topbar div{
    height: 6px;
    width: 6px;
    border-radius: 50%;
    margin: 3px;
    float: left;
}

.writing .topbar div.green{
    background-color: #60d060;
}
.writing .topbar div.red{
    background-color: red;
}
.writing .topbar div.yellow{
    background-color: #e6c015;
}

.writing .code {
    padding: 15px;
}

.writing .code ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.writing .code ul li {
    background-color: #9e9e9e;
    width: 0;
    height: 7px;
    border-radius: 6px;
    margin: 10px 0;
}

.container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    height: 100vh;
    width: 100%;
    -webkit-transition: -webkit-transform .5s;
    transition: -webkit-transform .5s;
    transition: transform .5s;
    transition: transform .5s, -webkit-transform .5s;
}

.stack-container {
    position: relative;
    width: 420px;
    height: 210px;
    -webkit-transition: width 1s, height 1s;
    transition: width 1s, height 1s;
}

.pokeup {
    -webkit-transition: all .3s ease;
    transition: all .3s ease;
}

.pokeup:hover {
    -webkit-transform: translateY(-10px);
            transform: translateY(-10px);
    -webkit-transition: .3s ease;
    transition: .3s ease;
}


.error {
    width: 400px;
    padding: 40px;
    text-align: center;
}

.error h1 {
    font-size: 125px;
    padding: 0;
    margin: 0;
    font-weight: 700;
}

.error h2 {
    margin: -30px 0 0 0;
    padding: 0px;
    font-size: 47px;
    letter-spacing: 12px;
}

.perspec {
    -webkit-perspective: 1000px;
            perspective: 1000px;
}

.writeLine{
    -webkit-animation: writeLine .4s linear forwards;
            animation: writeLine .4s linear forwards;
}

.explode{
    -webkit-animation: explode .5s ease-in-out forwards;
            animation: explode .5s ease-in-out forwards;
}

.card {
    -webkit-animation: tiltcard .5s ease-in-out 1s forwards;
            animation: tiltcard .5s ease-in-out 1s forwards;
    position: absolute;
}

@-webkit-keyframes tiltcard {
    0% {
        -webkit-transform: rotateY(0deg);
                transform: rotateY(0deg);
    }

    100% {
        -webkit-transform: rotateY(-30deg);
                transform: rotateY(-30deg);
    }
}

@keyframes tiltcard {
    0% {
        -webkit-transform: rotateY(0deg);
                transform: rotateY(0deg);
    }

    100% {
        -webkit-transform: rotateY(-30deg);
                transform: rotateY(-30deg);
    }
}

@-webkit-keyframes explode {
    0% {
        -webkit-transform: translate(0, 0) scale(1);
                transform: translate(0, 0) scale(1);
    }

    100% {
        -webkit-transform: translate(var(--spreaddist), var(--vertdist)) scale(var(--scaledist));
                transform: translate(var(--spreaddist), var(--vertdist)) scale(var(--scaledist));
    }
}

@keyframes explode {
    0% {
        -webkit-transform: translate(0, 0) scale(1);
                transform: translate(0, 0) scale(1);
    }

    100% {
        -webkit-transform: translate(var(--spreaddist), var(--vertdist)) scale(var(--scaledist));
                transform: translate(var(--spreaddist), var(--vertdist)) scale(var(--scaledist));
    }
}

@-webkit-keyframes writeLine {
    0% {
        width:0;
    }

    100% {
        width: var(--linelength);
    }
}

@keyframes writeLine {
    0% {
        width:0;
    }

    100% {
        width: var(--linelength);
    }
}

@media screen and (max-width: 1000px) {
    .container {
      -webkit-transform: scale(.85);
              transform: scale(.85);
    }
  }

  @media screen and (max-width: 850px) {
    .container {
      -webkit-transform: scale(.75);
              transform: scale(.75);
    }
  }

  @media screen and (max-width: 775px) {
    .container {
      -ms-flex-wrap: wrap-reverse;
          flex-wrap: wrap-reverse;
      -webkit-box-align: inherit;
          -ms-flex-align: inherit;
              align-items: inherit;
    }
  }

  @media screen and (max-width: 370px) {
    .container {
        -webkit-transform: scale(.6);
                transform: scale(.6);
      }
  }

JavaScript Code

const stackContainer = document.querySelector('.stack-container');
const cardNodes = document.querySelectorAll('.card-container');
const perspecNodes = document.querySelectorAll('.perspec');
const perspec = document.querySelector('.perspec');
const card = document.querySelector('.card');

let counter = stackContainer.children.length;

//function to generate random number
function randomIntFromInterval(min, max) {
    return Math.floor(Math.random() * (max - min + 1) + min);
}

//after tilt animation, fire the explode animation
card.addEventListener('animationend', function () {
    perspecNodes.forEach(function (elem, index) {
        elem.classList.add('explode');
    });
});

//after explode animation do a bunch of stuff
perspec.addEventListener('animationend', function (e) {
    if (e.animationName === 'explode') {
        cardNodes.forEach(function (elem, index) {

            //add hover animation class
            elem.classList.add('pokeup');

            //add event listner to throw card on click
            elem.addEventListener('click', function () {
                let updown = [800, -800]
                let randomY = updown[Math.floor(Math.random() * updown.length)];
                let randomX = Math.floor(Math.random() * 1000) - 1000;
                elem.style.transform = `translate(${randomX}px, ${randomY}px) rotate(-540deg)`
                elem.style.transition = "transform 1s ease, opacity 2s";
                elem.style.opacity = "0";
                counter--;
                if (counter === 0) {
                    stackContainer.style.width = "0";
                    stackContainer.style.height = "0";
                }
            });

            //generate random number of lines of code between 4 and 10 and add to each card
            let numLines = randomIntFromInterval(5, 10);

            //loop through the lines and add them to the DOM
            for (let index = 0; index < numLines; index++) {
                let lineLength = randomIntFromInterval(25, 97);
                var node = document.createElement("li");
                node.classList.add('node-' + index);
                elem.querySelector('.code ul').appendChild(node).setAttribute('style', '--linelength: ' + lineLength + '%;');

                //draw lines of code 1 by 1
                if (index == 0) {
                    elem.querySelector('.code ul .node-' + index).classList.add('writeLine');
                } else {
                    elem.querySelector('.code ul .node-' + (index - 1)).addEventListener('animationend', function (e) {
                        elem.querySelector('.code ul .node-' + index).classList.add('writeLine');
                    });
                }
            }
        });
    }
});

Preview

500 Error: Log File / Stack Trace Animation preview

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